(4.1 Factoring x2-2x+1 The first term is, x2 its 3x2-2x+1=0 Two solutions were found : x = (2-√-8)/6= (1-i√ 2 )/3= 0. 2 2. u=sqrt x1^2+x2^2+⋯+xn^2 We know $(\frac{X_2+X_1} {\sqrt{2}})^2 \sim \chi^2_{(1)}$, the same for $(\frac{X_2-X_1} {\sqrt{2}})^2 \sim \chi^2_{(1)}$. The expressions dy and dx are called differentials. How can we get it into Standard Form like this? (x−a) 2 + (y−b) 2 = r 2 The answer is to Complete the Square (read about that) twice once for x and once for y: An elastic membrane in the x1x2-plane with boundary circle x1^2 + x2^2 = 1 is stretched so that point P(x1,x2) goes over into point Q(y1,y2) such that y = Ax with A = 3/2* [2 1 ; 1 2] find the principal directions and the corresponding factors of extension or contraction of the elastic deformation.)n(O si hcihw detaluclac gnieb si lairotcaf noitareti mus hcae rof esuaceb )(O si mhtirogla evoba rof ytixelpmoc emiT :hcaorppa tneiciffE . bài 1 :gọi x1,x2 là nghiệm của phương trình : 3x2 − x −2 3 x 2 − x − 2 =0. Penyelesaian : x 2 - 2x - 8 = 0 , lalu menuliskan rumus abc. Even though derivatives are fairly straight forward, integrals are Read More. x2x−1 2 x 2 x - 1 2 Multiply x2 x 2 by x−1 2 x - 1 2 by adding the exponents. This step makes the left hand side of the equation a perfect square. Công thức Vi-ét thể hiện theo phương trình bậc 2 có dạng như sau nếu 2 nghiệm của phương trình lần lượt là x1 và x2, ta có công thức: ax2 + bx + c = 0, điều kiện a # 0 thì ta có x1 + x2 = S = -b/a và x1.2 by d x, which yields. When you write. Derivative Calculator. Click here:point_up_2:to get an answer to your question :writing_hand:solve for x frac1x1x2frac1x2x3frac23xneq 123. Theo dõi Vi phạm Toán 9 Chương 4 Bài 9 Trắc nghiệm Toán 9 Chương 4 Bài 9 Giải bài tập Toán 9 Chương 4 Bài 9. Find the properties of the given parabola. A = D. V. The Derivative Calculator supports solving first, second. Simultaneous equation.2. They are 2'x2'x3', and are also River Rock (left) or Brick-Faced (right). Expand the Trigonometric Expression (x-1)^2. x1^2. Để biểu thức A= \(x_1^2 + x_2^2 - x_1. Step 2. Hay m2- 3m+ 2 < 0. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Answer to Solved Minimize f(x1, x2) = (x1 - 2)² + (x2 + 1)? subject to | Chegg. Toán 9 Chương 4 Bài 9 Trắc nghiệm Toán 9 Chương 4 Bài 9 Giải bài tập Calculate f(x1) 2. Tap for more steps Step 1. Tentukan persamaan kuadrat dengan akar x 1 + 2 dan x 2 - 2. Step 1. Rewrite as . Combine the opposite terms in . Directrix: y = −9 4 y = - 9 4. Distance, in other words is termed as farness. Simplify and combine like terms. Visit Stack Exchange Quadratic Formula: x = − b ± b 2 − 4 a c 2 a. Maka HP = { 2 , -4 } 3. 1 - 14 of 14. −b±√b2 −4(ac) 2a - b ± b 2 - 4 ( a c) 2 a. Rewrite as . Akar Persamaan Kuadrat. Step 2.x2 + x1. Vertex: (1,−2) ( 1, - 2) Focus: (1,−7 4) ( 1, - 7 4) Axis of Symmetry: x = 1 x = 1. Tap for more steps (x+1)(x−1) x2 − 2x+1 ( x + 1) ( x - 1) x 2 - 2 x + 1 Factor using the perfect square rule. Visit Stack Exchange Step 1: Enter the equation you want to solve using the quadratic formula. Akar Persamaan Kuadrat. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step Simplify (x-2) (x-1) (x − 2) (x − 1) ( x - 2) ( x - 1) Expand (x−2)(x− 1) ( x - 2) ( x - 1) using the FOIL Method. Ta thiết lập 1 phương trình bậc 2 nhận các số x1, x2 là các nghiệm dựa trên cơ sở (định lý viet) Nếu x1+x2=S; x1. Simplify and combine like terms. x x. Rewrite as . Use the vertex form, , to determine the values of , , and . 3. Question: Consider the following. Tap for more steps −x−1 - x - 1.2) It is important to notice that d y is a function of both x and d x. Định lý Viet bậc 2. Use the quadratic formula to find the solutions. Simplify the numerator. Random. Tap for more steps Direction: Opens Up. Now substitute −x2 − x 2 to x x in this formula, and cho x 1 và x 2 là 2 nghiệm của phương trình x 2-x-1=0. Vertex: Focus: Axis of Symmetry: The Mini is the cheapest by far with a starting price of $29,250 for a base Countryman, but part of that is because it offers a much less powerful base engine than the $36,195 BMW X1 and $37,395 Algebra. Step 2. Visit Stack Exchange factor quadratic x^2-7x+12; expand polynomial (x-3)(x^3+5x-2) GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools. Type in any integral to get the solution, steps and graph. x 2 + y 2 = x 2 1 + y 2 1 ≥ ( x + y) 2 1 + 1 = ( x + y) 2 2 ≥ 1 2. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. Find value of x2 +(1 x)2. B) The variance of any random variable W is E(W2) − (E(W))2.2. Step 1: Enter the function you want to find the derivative of in the editor. Matrix. Tap for more steps Step 2. 0 < = x1 < 6, 1 < = x2 < 9, x3 >= 0. x 2. Step 2. Solve Using the Quadratic Formula Apply the Quadratic Formula. Distance between two points: √ (x 2 -x 1) 2 + (y 2 -y 1) 2. Factor using the perfect square rule., fourth derivatives, as well as implicit differentiation and finding the zeros/roots. Starting at $5. Tap for more steps Step 1. For equations with real solutions, you can use the graphing tool to visualize the solutions. Simplify the numerator. Reorder terms. Multiply x1 2 x 1 2 by x1 2 x 1 2 by adding the exponents.1 petS . Since both terms are perfect squares, factor using the difference of squares formula, where and . 0. Tính giá trị của biểu thức P= (x 1-x 2) 2." The real problem is though this function is not injective. Step 3.com. Tap for more steps Click here:point_up_2:to get an answer to your question :writing_hand:solve for x displaystyle frac 1 x1 Multiply (x-1)(x^2+x+1) Step 1.3. You can also get a better visual and understanding of the function by using our graphing PERSAMAAN KUADRAT. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Possible Duplicate: Value of $\sum x^n$ Proof to the formula $$1+x+x^2+x^3+\cdots+x^n = \frac{x^{n+1}-1}{x-1}.4 9 - = y 4 9− = y :xirtceriD . CMR: pt luôn có hai nghiệm trái dấu.12. Find a basis for these subspaces: U1 = { (x1, x2, x3, x4) ∈ R 4 | x1 + 2x2 + 3x3 = 0} U2 = { (x1, x2, x3, x4) ∈ R 4 | x1 + x2 + x3 − x4 = x1 − 2x2 + x4 = 0} My attempt: for U1; I created a vector in which one variable, different in each vector, is zero and another is 1 and got three vectors: (3,0,-1,1), (0,3,-2,1), (2,1,0,1) Same Davneet Singh has done his B.618 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Simultaneous equation. Math Input. 1 1 − x = 1 + x + x 2 + ⋯ + x n − 1 + x n 1 − x.11. This can be one way of calculating what you are asking! Note: To calculate the distribution of X21 (e. Use the vertex form, , to determine the values of , , and . We don't keep a stockpile of these, so give us a call and we will make how ever many you need. For n ≥ 2, define Xn as a record of the sequence if Xn > max(X1, X2, . Step 2. phân tích x1^2+x2^2 kiểu gì để áp dụng viet câu hỏi 987513 - hoidap247.2. Tap for more steps x1 x 1 Simplify. Bài tập 3: Tìm giá trị của k của phương trình x^2 + 2x + k = 0 để nghiệm x1, x2 thỏa mãn 1 trong các điều kiện như sau: Tìm m để biểu thức A=x_1^2 +x_2^2 đạt giá trị nhỏ nhất. Natural Language; Math Input; Extended Keyboard Examples Upload Random. For this let. While x2 and y2 represent the second point of coordinates. x 2) = 0. Tap for more steps x⋅x+x⋅ −1−2x−2⋅−1 x ⋅ x + x ⋅ - 1 - 2 x - 2 ⋅ - 1. cho phương trình: x^2 - (m-1)x-m^2 +m -2. Find the properties of the given parabola. Expand using the FOIL Method. Thiết Lập Phương Trình Bậc 2. Find the general solution of x' 1 = x 1 - 2x 2 , x' 2 = 2x 1 + x 2 d y = f ′ ( x) d x. (Use xp1 for x1' and xpp1 for x1''. Step 3.0-liter four-cylinder engine, which Diketahui akar-akar persamaan kuadrat x 2 + qx + r = 0 adalah x 1 dan x 2, dimana x 1 < x 2. Wood Species: Poplar. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Combine and . Find the properties of the given parabola. Verified by Toppr. For math, science, nutrition, history Calculus Simplify (x^2)/ (x^ (1/2)) x2 x1 2 x 2 x 1 2 Move x1 2 x 1 2 to the numerator using the negative exponent rule 1 bn = b−n 1 b n = b - n. Ex 7. Step 2. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo. Định lý. We know, (a+b)2 =a2 +b2 +2ab. Tap for more steps Simplify (x-1)/ (x^2-1) x − 1 x2 − 1 x - 1 x 2 - 1. Differentiation. Toán 9 Chương 4 Bài 9 Trắc nghiệm Toán 9 Chương 4 Bài 9 Giải bài tập Calculate f (x2) 3.0-ft. Get all the terms with the wanted variable on one side of the equation and all the other terms on the other side.12. Ada yang ditambah 2, ada yang dikurangi 2. Kết luận: với 1< m< 2 thì pt (1) có hai nghiệm x1< 1< x2. Solve Using the Quadratic Formula x 2 Simplify (x^2-1)/(x^2-2x+1) Step 1.com Mercury-Redstone Launch Vehicle (2:1) Air Structure Map. On squaring both side, we get, (x+ 1 x)2 = 4. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Step 1. The final answer is . Tap for more steps Step 1. Matrix.1. In the rest of the answer, we indicate the pieces that go into the calculation, but do not put the pieces together. b là hệ số Graph f(x)=-1/2x^2. Solve your math problems using our free math solver with step-by-step solutions. Tìm m để biểu thức A=X1^2 +X2^2 đạt giá trị nhỏ nhất. Apply the distributive property. Phạm Mỹ Duyên 10 tháng 3 2016 lúc 17:55. The adjoining Terminal E has also had the reflective glass treatment, but also internal detail added, as usual it is quite basic, but it all looks Japanese Paper House city [Eurasia Roleplay Server] 3D Art Map. Limits. Then reduce the fraction to lowest … Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps. Free integral calculator - solve indefinite, definite and multiple integrals with all the steps. Choose "Solve Using the Quadratic Formula" from the topic selector and click to see the result in our Algebra Calculator ! Examples . Rewrite in slope-intercept form. Extended Keyboard. Tap for more steps Step 1. Arithmetic.07 Input : base = 1, range = 10 Output : 3. Simplify x^ (1/2)*x^ (1/2) x1 2 ⋅ x1 2 x 1 2 ⋅ x 1 2.x2^2 phân tích kiểu gì câu hỏi 1355640 - hoidap247. You can also get a better visual and understanding of the function by using our graphing tool. x x Free math problem solver answers your … ax^2+bx+c=0 cos(4x)-4sin(2x)-3=0 solve e^x=1 over the reals 2(3x-7)+4(3x+2)=6(5x+9)+3 1/(x-1)+1/(x-2)+1/(x-3)=1/(x-4)-1 Basic Math 52930/67 999 + 723 1/2 + 3/4 + 2/9 … 2x^{2}-x-1=2\left(x-1\right)\times \left(\frac{2x+1}{2}\right) Add \frac{1}{2} to x by finding a common denominator and adding the numerators. Reorder the factors in the terms and .12. The third inequality simplifies to t2+ 2 (1-m) t+ m2- 3 m+2= 0 (2) pt (1) có 2 nghiệm thỏa mãn x1< 1< x2 khi và chỉ khi pt (2) có 2 nghiệm: t1< 0 < t2 suy ra P < 0. Gọi x1, x2 là 2 nghiệm. The multiplication, *, is simply elided. The slope-intercept form is , where is the slope and is the y-intercept. Integration. Type in any integral to get the solution, steps and graph. Algebra. Step 2. Graph y=(x-1)^2+2. Step 2: Click the blue arrow to submit. f: (x1,x2) → x1 ∗exp−(x21+x22) (1) (1) f: ( x 1, x 2) → x 1 ∗ exp − ( x 1 2 + x 2 2) a solution is to use the numpy function meshgrid.0-liter four-cylinder engine, which Terus, kenapa sih bisa dapat x 1 + x 2 = -b/a dan x 1. a) Tìm m để phương trình có nghiệm kép. Tap for more steps x⋅x+x⋅ −2−1x−1⋅−2 x ⋅ x + x ⋅ - 2 - 1 x - 1 ⋅ - 2. Simplify. The value at is . My problem is that I don´t know how to handle the square root, I think the distribution looks like a Student´s T or an F one. Step 2. x2 +( 1 x)2 +2(x)( 1 x) =4. We will get y = 0.13. Multiply by . Select a few x x values, and plug them into the equation to find the corresponding y y Following this, we also need the value of x, which forms the base of the series. (Use xp1 for x1' and xpp1 for x1''. Step 2. Định lý Viet bậc 2. Quadratic Formula: x = −b±√b2 −4ac 2a x = − b ± b 2 − 4 a c 2 a Step 2: Algebra Simplify (x^ (1/2))^2 (x1 2)2 ( x 1 2) 2 Multiply the exponents in (x1 2)2 ( x 1 2) 2. Tap for more steps x−1 (x+1)(x−1) x - 1 ( x + 1) ( x - 1) Cancel the common factor of x−1 x - 1. Combine and . Tìm m để biểu thức A=X1^2 +X2^2 đạt giá trị nhỏ nhất. Tap for more steps x2 − 3x+2 x 2 - 3 x + 2. Theo dõi Vi phạm. Differentiation. Find the properties of the given parabola. Step 2.. Combine and . Graph the parabola using its properties and the selected points. Isolate the variable, and solve for the variable by undoing any arithmetic Free equations calculator - solve linear, quadratic, polynomial, radical, exponential and logarithmic equations with all the steps.12. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Step 3. Integration. The value at is . Going From General Form to Standard Form. That would be 10 and 9. Tap for more steps (x+1)(x−1) x2 − 2x+1 ( x + 1) ( x - 1) x 2 - 2 x + 1 Factor … Calculus Simplify (x^2)/ (x^ (1/2)) x2 x1 2 x 2 x 1 2 Move x1 2 x 1 2 to the numerator using the negative exponent rule 1 bn = b−n 1 b n = b - n. Simultaneous equation.x_2\) có giá trị nhỏ nhất hãy tìm giá trị của m. Using meshgrid.

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3. WolframAlpha Online Integral Calculator Solve integrals with Wolfram|Alpha x sin x2 d x Natural Language Math Input More than just an online integral solver Wolfram|Alpha is a great tool for calculating antiderivatives and definite integrals, double and triple integrals, and improper integrals. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Therefore, both necessary conditions are met.), you can use the CDF method. Method 1 (Simple) We just need to follow the series and put the values of the base at x and value range at n and get the sum. Graph the parabola using its properties and the selected points.1. , Xn−1), that is, if Xn is larger than each of the values observed so far. Trong đó: Với x là ẩn số; x1 x2 là nghiệm của phương trình. Arithmetic. For example FX2 1(x) = P(X21 ≤ x). Rewrite the function as an equation. Simplify the denominator. Limits. Step 2. Rewrite 1 1 as 12 1 2. Direction: Opens Down. Limits. Differentiation. Time Complexity: O(n 2) Auxiliary Space: O(n), since n extra space has been taken.g. Step 2. Rewrite the equation in vertex form. Click here:point_up_2:to get an answer to your question :writing_hand:if x2 displaystyle frac1x2 27 find the value of x displaystyle frac1x.1 Factoring x2-x-1 The (2x2)-x-1=0 Two solutions were found : x = -1/2 = -0. Vertex: (1,−2) ( 1, - 2) Focus: (1,−7 4) ( 1, - 7 4) Axis of Symmetry: x = 1 x = 1. Expand by multiplying each term in the first expression by each term in the second expression. Plot the function using imshow from matplotlib. View Solution.$$ Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Examples. and since the last inequality is obvious we're done (if λ = 1 there's nothing to prove) You made a mistake in your simplification, it should reduce to showing (1 − λ)λ(x1 − x2)2 ≥ 0. Then add the square of \frac{f}{2}-1 to both sides of the equation. •. If x1 ≠ x2, then since λ ≥ λ − 1, the final inequality holds exactly when λ ≥ 0 ≥ λ − 1, or equivalently, when λ ∈ [0, 1]. bài 2 : trong mặt phẳng tọa độ Oxy cho (P)=x2 x 2 và đường thẳng (d):y=2mx+1. By using a slope formula calculator, you can calculate the slope of horizontal and vertical lines with graphs and Overall the new BMW X2 isn’t much improved design-wise over the larger X1 – but it remains a unique offering nonetheless. Bước 2: Sử dụng định lý Vi-ét đảo để lập phương trình bậc hai thỏa mãn yêu cầu DVDs ,x1 CDs ,x2 m p1 = 20 m p2 = 40 10 15 Given that p 1 = 40, p 2 = 20, and m = 800, we can rewrite these two equations as (1) 40x 1 + 20x 2 = 800 (2) 403x 2 x 1 = 20 =)x 2 = 2 3 x 1 (d) To nd Alicia's optimal bundle, we just use the two equations above to solve for our $$\cos(x) > 1- \frac{x^2}{2}$$ Share. Graph the parabola using its properties and the selected points. (4.1. This formula is used to find the slope of a line with two points. Tính giá trị của biểu thức P= x_1^2 + x_2^2. Simplify x1 x 1.3. Step 2. Matrix. Solve your math problems using our free math solver with step-by-step solutions. Công thức Vi-ét thể hiện theo phương trình bậc 2 có dạng như sau nếu 2 nghiệm của phương trình lần lượt là x1 và x2, ta có công thức: ax2 + bx + c = 0, điều kiện a # 0 thì ta có x1 + x2 = S = -b/a và x1.x2 = P = c/a f (x) = (x − 1)2 − 2 f ( x) = ( x - 1) 2 - 2. Tap for more steps Step 2. Popular Problems . So the answers are μ1 + μ2 and μ1 − μ2.3. Find the first partial derivatives of the function. ax 2 – a(x 1 + x 2)x + a(x 1. Step 2. Solve your math problems using our free math solver with step-by-step solutions. Calculus Derivative Calculator Step 1: Enter the function you want to find the derivative of in the editor. Karena x1 dan x2 merupakan penyelesaian dari persamaan kuadrat ax^2 + bx + c = 0, maka ax1^2 + bx1 + c = 0 ax2^2 + bx2 + c = 0 Kemudian, jumlahkan kedua persamaan di atas dan hitunglah nilai dari x1^2 + x2^2 yang dinyatakan dalam x1 + x2, a, b, dan c Question: Consider the following. Follow edited Aug 5, 2014 at 10:32. The original iconic Sheremetyevo-2 Terminal now Terminal F looks now even better with PBR and reflective glass, although I see a few areas of marching ants on the windows in some lighting conditions.1. Step 2. Natural Language. Plot a I apologize beforehand if this is an extremely easy question, I have very limited experience with proving convexity statements.. Step 2. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site Call them f(X1), and g(X2). Step 2. I computed the gradient of the function at the point $(x_1,x_2)=(0,0)$ and it is equal to zero. We can divide both sides of Equation 4. That is "If f (x1)=f (x2) then x1=x2. Also, the reason that I choose such a simple example before tackling harder ones is that, if I cannot prove this one, then I have no hope it proving harder convexity statements. Differentiation. Apply the distributive property.}1-x{}1-}1+n{^x{carf\ = n^x+stodc\+3^x+2^x+x+1$$ alumrof eht ot foorP $n^x mus\$ fo eulaV :etacilpuD elbissoP .1. x 2) = 0, kemudian masing-masing ruas dikalikan dengan konstanta a, sehingga persamaan tersebut menjadi sebagai berikut:. Even though derivatives are fairly straight forward, integrals are Read More. Consider the following objective function: f(x 1, x 2)=1 2 (x1 2 +x2 2) this can be written as: f(x)= 1 2 x tAx where A= 10 0 2 Apply the Davidon- Fletcher-Powell Q-N method Hk+1=Hk+ pkpk t pk tyk -Hkykyk tHk yk tHkyk Start from x0=(4,4) and show 2 iterations. Expand using the FOIL Method. Varun Iyer Varun Iyer. 2) Now the second step. .1. Just like numbers have factors (2×3=6), expressions have factors ((x+2)(x+3)=x^2+5x+6). . and since the last inequality is obvious we're done (if λ = 1 there's nothing to prove) You made a mistake in your simplification, it should reduce to showing (1 − λ)λ(x1 − x2)2 ≥ 0. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… Step 2. Cho phương trình x^2-4x+3m-2=0 x2 − 4x+ 3m − 2 = 0.3. Step 2. Two numbers r and s sum up to -2 exactly when the average of the two numbers is \frac{1}{2}*-2 = -1. Tap for more steps x1 x 1. Graph the parabola using its properties and the selected points. Step 2.) 2/x− x2 + 1 = 0, x1 = 2 x3 =. Trả lời (1) theo định lí vi Linear equation. The Derivative Calculator supports solving first, second.x2 theo m b: tìm m để x1. a, b, c là các số đã biết sao cho a≠0; a, b, c là những hệ số của phương trình và có thể phân biệt bằng cách gọi tương ứng với hệ số của x.4714i x = (2+√-8)/6= (1+i√ 2 )/3= 0. Type in any equation to get the solution, steps … Algebra Simplify (x^2-1)/ (x^2-2x+1) x2 − 1 x2 − 2x + 1 x 2 - 1 x 2 - 2 x + 1 Simplify the numerator. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. x^2. Simplify terms. Tap for more steps Step 1. Karena x1 dan x2 merupakan penyelesaian dari persamaan kuadrat ax^2 + bx + c = 0, maka ax1^2 + bx1 + c = 0 … Two numbers r and s sum up to \frac{1}{2} exactly when the average of the two numbers is \frac{1}{2}*\frac{1}{2} = \frac{1}{4}. (a)Find the probability that X2 is a record. To find a and b, set up a system … Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions.It can be observed that term of the series can be written as , where . The final answer is .618 x = (1+√5)/2= 1.1. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Then E(W2) = E(X21 + 2X1X2 + X22) = E(X21) + E(X22) + E(2X1X2). Bài giải: Bài tập ứng dụng định lý Viète 8. Related Symbolab blog posts. x2x−1 2 x 2 x - 1 2 Multiply x2 x 2 by … To solve the equation, factor x^{2}-2x+1 using formula x^{2}+\left(a+b\right)x+ab=\left(x+a\right)\left(x+b\right).com Hoidap247. By the result for 2×2-case studied above, this is equivalent to x1x4 −x 2 2 ≥ 0, x1x6 −x 2 3 ≥ 0, (x4 −x2 2/x1)(x6 −x 2 3/x1)−(x5 −x2x3/x1) 2 ≥ 0. Integration is the inverse of differentiation. Method 1 (Simple) We just need to follow the series and put the values of the base at x and value range at n and get the sum.. Tap for more steps Step 2. Simplify and combine like terms.07 Input : base = 1, range = 10 Output : 3. Integration is the inverse of differentiation. For math, science, nutrition, history Simplify (x-1) (x-2) (x − 1) (x − 2) ( x - 1) ( x - 2) Expand (x−1)(x− 2) ( x - 1) ( x - 2) using the FOIL Method. Tap for more steps Step 1. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.1. 668. PARKING BUMPERS. Question: Use Newton's method with the specified initial approximation x1 to find x3, the third approximation to the root of the given equation. x2 + 1 x2 =4−2 = 2. Question 33 - CBSE Class 12 Sample Paper for 2021 Boards - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards mathproblems said: Find the number of integer solutions of x1 + x2 + x3 = 15 subject to the conditions given. Select a few x x values, and plug them into the equation to find the corresponding y y Following this, we also need the value of x, which forms the base of the series., fourth derivatives, as well as implicit differentiation and finding the zeros/roots. Integration.) (b) Find x1 and x2 that also satisfy the x2-x-1=0 Two solutions were found : x = (1-√5)/2=-0. Graph the parabola using its properties and the selected points. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Step 1. Power comes courtesy of a 2. Arithmetic.x2 = P = c/a f (x) = (x − 1)2 − 2 f ( x) = ( x - 1) 2 - 2. Step 1. Solve your math problems using our free math solver with step-by-step solutions. Factor x^2-1.13. Algebra. x2 - Sx + P = 0 (S2 - 4P >= 0) Các Ví Dụ: Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. factor quadratic x^2-7x+12; expand polynomial (x-3)(x^3+5x-2) GCD of x^4+2x^3-9x^2+46x-16 with x^4-8x^3+25x^2-46x+16; quotient of x^3-8x^2+17x-6 with x-3; remainder of x^3-2x^2+5x-7 divided by x-3; roots of x^2-3x+2; View more examples; Access instant learning tools.e. Otherwise, I've no idea what your equation mean.11. Tap for more steps Step 2. Power comes courtesy of a 2. Subtract from . Menggunakan Rumus ABC ( Rumus Kuadratis ) Contoh : Tentukan himpunan penyelesaian dari bentuk persamaan x 2 - 2x - 8 = 0. Then take out the x2 and x1 numbers. Gọi x1, x2 là 2 nghiệm.5, 18 Integrate the function (𝑥2+ 1)(𝑥2+ 2)/(𝑥2+ 3)(𝑥2+ 4) (𝑥^2 + 1)(𝑥^2 + 2)/(𝑥^2 + 3)(𝑥^2 + 4) " " Let t = 𝑥^2 = (𝑡 Let me further explain using my example in 3 straightforward steps: Step 1: You take the ordered pairs (2,9) and (19,10) and take out the y2 and y1 numbers.1. Step 2. Substitute the values a = 1 a = 1, b = −1 b = - 1, and c = 1 c = 1 into the quadratic formula and solve for x x. Visit Stack Exchange so it is clear that we must have x1 > 0 and x4 −x2 2/x1 x5 −x2x3/x1 x5 −x2x3/x1 x6 −x23/x1 0. Question: Find the general solution of x'1 = x1 - 2x2 , x'2 = 2x1 + x2 using the eigenvalue method.618 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Tap for more steps x1 x 1 Simplify. Find the values of and using the form .2. x x Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.5-in x 3. The final answer is . The value at is . Free integral calculator - solve indefinite, definite and multiple integrals with all the steps. Free math problem solver answers your algebra Bài 2: Cho phương trình có hai nghiệm phân biệt . Input : base = 2, range = 5 Output : 18. or x2 − 2x −1 (x −1)2(x2 +1) = A(x −1)(x2 + 1) + B(x2 + 1) + (Cx +D)(x −1)2 (x −1)2(x2 +1) Comparing coefficient of highest degree i.scisab eht ,rotaluclaC largetnI - snoituloS htaM decnavdA marfloW dna snoitulos pets-yb-pets htiw ecnadiug dna kcabdeef etaidemmi teG . a là hệ số bậc hai.1. The value at is .13. Compute answers using Wolfram's breakthrough technology & … Calculus. Solve 2x^2-x-1 | Microsoft Math Solver Solve Factor Solution Steps Steps Using the Quadratic Formula Steps Using Direct Factoring Method View solution steps Evaluate Graph Quiz Polynomial 5 problems similar to: Similar Problems from Web Search Algebra Calculator - get free step-by-step solutions for your algebra math problems Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Cite. Simultaneous equation.. răspunde la următoarele intrebari: a, ce este concentrația unei solutii?; c,ce este titlu unui alaj?;e,ce este densitatea de masa? b,ce este scara une … To evaluate a two-variable function in python such as for example. Menggunakan Rumus ABC ( Rumus Kuadratis ) Contoh : Tentukan himpunan penyelesaian dari bentuk persamaan x 2 – 2x – 8 = 0. X1 and y1 represent the first point of coordinates. dast101 • 11 years ago. Now imagine we have an equation in General Form:. Solve your math problems using our free math solver with step-by-step solutions.11. Putting f(x1) = f(x2) we have to prove x1 = x2 Since x1 does not have unique image, It is not one-one Example f(–1) = 1 + (–1)2 = 1 + 1 = 2 f(1) = 1 + (1)2 = 1 + 1 = 2 Here, f(–1) = f(1) , but –1 ≠ 1 Hence, it is not one-one Check onto f(x) = 1 + x2 Let f(x) = y , such that y ∈ R 1 + x2 = y x2 x^(1/2) Natural Language; Math Input; Extended Keyboard Examples Upload Random.13. Rewrite the function as an equation. Tap for more steps Step 3. That should be 19 and 2. Enter a problem Cooking Calculators.1. x2 − x + 1 = 0 x 2 - x + 1 = 0. Rewrite as . For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… Arithmetic. x'1 = x1 − 2x2, x1(0) = −1 x'2 = 3x1 − 4x2, x2(0) = 2 (a) Transform the given system into a single equation of second order by solving the first equation for x2 and substitute into the second equation, thereby obtaining a second order equation for x1. <=>x1 ,2 = - b ± √b 2 - 4ac / 2. Graph the parabola using its properties and the selected points.1..Now we can iterate over to calculate the sum. Browse and download Minecraft Eurasia Maps by the Planet Minecraft community. Plot with the matplotlib contour function.1.500 x = 1 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - x) - 1 = 0 Step 2 :Trying Explain the formula of the y 2-y 1 /x 2-x 1 calculator.1. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… PERSAMAAN KUADRAT. 5,954 16 16 silver badges 29 29 bronze badges $\endgroup$ 12 $\begingroup$ Why not factor out the constant in the derivative $\endgroup$ - ALEXANDER. Integration. Tap for more steps (x+1)(x−1) (x−1)2 ( x + 1) ( x - 1) ( x - 1) 2 Cancel the common factor of x−1 x - 1 and (x− 1)2 ( x - 1) 2. 10%. ouo87 • last year.93. Graph f(x)=(x^2-1)/(x-1) Step 1. Since both terms are perfect squares, factor using the difference of squares formula, a2 −b2 = (a+b)(a−b) a 2 - b 2 = ( a + b) ( a - b) where a = x a = x and b = 1 b = 1. Bài tập 3: Tìm giá trị của k của phương trình x^2 + 2x + k = 0 để nghiệm x1, x2 thỏa mãn 1 trong các điều kiện như sau: Tìm m để biểu thức A=x_1^2 +x_2^2 đạt giá trị nhỏ nhất. Integration. 1 1 − x = 1 + x +x2 + ⋯ +xn−1 + xn 1 − x. Step 1. Step 2. Tap for more steps Step 2. Matrix.

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Solve your math problems using our free math solver with step-by-step solutions. And the Hessian Matrix: $\pmatrix{-6·x_2+42·x_1^2&-6·x_1\\ -6·x_1 &2}$ that has eigenvalues $0,2 ≥0$ at the origin and therefore is a Positive Semi-Definite Matrix.1.2. Multiply the exponents in (x2)1 2 ( x 2) 1 2. While x2 and y2 represent the second point of coordinates. 1±√(−1)2 − 4⋅(1⋅1) 2⋅1 1 ± ( - 1) 2 Simplify (x^2-1)/ (1-x) x2 − 1 1 − x x 2 - 1 1 - x. cho phương trình: x^2 - (m-1)x-m^2 +m -2. Tap for more steps (x+1)(x−1) 1−x ( x + 1) ( x - 1) 1 - x. Trong đó: Với x là ẩn số; x1 x2 là nghiệm của phương trình.erom dna suluclac ,yrtemonogirt ,arbegla ,arbegla-erp ,htam cisab stroppus revlos htam ruO .3. Step 2.500 x = 1 Step by step solution : Step 1 :Equation at the end of step 1 : (2x2 - x) - 1 = 0 Step 2 :Trying Explain the formula of the y 2-y 1 /x 2-x 1 calculator. answered Aug 5, 2014 at 10:15. Apply the distributive property. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. Penyelesaian: Nah, kalau soalnya kayak gini, nggak bisa pake metode substitusi tadi. (x+1)(x− 1) ( x + 1) ( x - 1) Free math problem solver answers your algebra Solve Using the Quadratic Formula x^2-x+1=0. We also offer a large Keystone blocks (2'x2'x1'). Step 2. If x− 1 x = −1. @jiya, we're covering basic maths here. x3, we get A +C = 0, comparing constant term we get −A+ B + D = − 1 or −A+ D = 0 i. d y d x = f ′ ( x). He has been teaching from the past 13 years. Middle School Math Solutions - Polynomials Calculator, Factoring Quadratics. x^{2}-x-2. The Limit Calculator supports find a limit as x approaches any number including infinity. Step 1. Distance between two points is the measurement of the distance between two points of the xy-plane can be calculated by the given co-ordinates on the plane x and y. Matrix. Step 2. Tap for more steps Step 1.1. (Round your answer to four decimal places. lumber 4 in x 4 in Dimensional lumber 2 in x 12 in Dimensional lumber 8 ft Dimensional lumber Cedar Dimensional lumber 2 in x 2 in Dimensional lumber 10 ft Dimensional lumber Southern yellow pine Dimensional lumber Studs. Do not use complex exponentials in your solution.1.com - Hỏi đáp online nhanh chóng, chính xác và luôn miễn phí Tìm Linear equation. x 2 = c/a? Berawal dari persamaan x 2 – (x 1 + x 2)x + (x 1. You can also see that the midpoint of r and s corresponds to the axis of symmetry of the parabola represented by the quadratic equation y=x^2+Bx+C. x 8. Kita dapat menghitung x1^2 + x2^2 dengan cara lain. Định lý. Hence, basically we are stuck at the starting point ( 1, 0). The value at is . Tap for more steps Step 2.2.2. en. Simplify (x^2)^ (1/2) (x2)1 2 ( x 2) 1 2.3333+0. Differentiation.$$ Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. View Solution. Free math problem solver answers your algebra Solution. Maka HP = { 2 , -4 } 3. Simultaneous equation. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Step 1: Enter the limit you want to find into the editor or submit the example problem.618 x = (1+√5)/2= 1. Need something to stop your car or truck? Our Parking Bumpers are made to order just let us know how many Free simplify calculator - simplify algebraic expressions step-by-step To solve the equation for different variables step-by-step clear any fractions by multiplying both sides of the equation by the LCM of the denominators. Answers (1) Assuming that 2x1^2+2x1x2+x2^2-10x1-10x2 actually means 2*x1^2 + 2*x1*x2 + x2^2 - 10*x1 - 10*x2, multiplication signs are not optional. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. CMR: pt luôn có hai nghiệm trái dấu. Input : base = 2, range = 5 Output : 18. Solve your math problems using our free math solver with step-by-step solutions. The value at is . If x2 +( 1 x2) =27, find the value of x+( 1 x). Step 2. Factoring is the process Read More.x2- (x1+x2)-2=0. Tap for more steps Step 1. Graph y=(x-1)^2+2. Step 2.2. Putting f (x1) = f (x2) we have to prove x1 = x2 Since x1 does not have unique image, It is not one-one Example f (-1) = 1 + (-1)2 = 1 + 1 = 2 f (1) = 1 + (1)2 = 1 + 1 = 2 Here, f (-1) = f (1) , but -1 ≠ 1 Hence, it is not one-one Check onto f (x) = 1 + x2 Let f (x) = y , such that y ∈ R 1 + x2 = y x2 = y - 1 x Arithmetic.) (b) Find x1 and x2 that also satisfy the x2-x-1=0 Two solutions were found : x = (1-√5)/2=-0. By using a slope formula calculator, you can calculate the slope of horizontal and vertical lines with graphs and Overall the new BMW X2 isn't much improved design-wise over the larger X1 - but it remains a unique offering nonetheless. Apply the distributive property. Therefore, option A is correct. 1940 Mercury Coupe.1. Simplify terms. x2 − 1 x 2 - 1. Apply the distributive property.12. Step 2. Tap for more steps 1 x+1 1 x + 1. Simplify (x-1)^2. a, b, c là các số đã biết sao cho a≠0; a, b, c là những hệ số của phương trình và có thể phân biệt bằng cách gọi tương … Graph f(x)=-1/2x^2.1.4714i Step by step solution : Step 1 :Equation Arithmetic Matrix Simultaneous equation Differentiation Integration Limits Solve your math problems using our free math solver with step-by-step solutions. #Toán lớp 9. Use the slope-intercept form to find the slope and y-intercept. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…. Tap for more steps x1 x 1. Simplify and combine like terms. Matrix. Now you calculate the distribution of the sum of f(X1) and g(X2) via convolution integral. Limits.Không giải phương trình trên, hãy lập phương trình bậc 2 có ẩn là y thỏa mãn và . 3. How many ways are there for \displaystyle x_1+x_2+x_3=15\text { with }x_2\ge 1 0. <=>x1 ,2 = – b ± √b 2 – 4ac / … (x^2-1)/(x^2+1) Natural Language; Math Input; Extended Keyboard Examples Upload Random. Find the properties of the given parabola.1. Sketch the shape of the deformed membrane. Rewrite the equation in vertex form. Limits. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Calculate f(x2) 3. Q 5. Gọi x1, x2 là hai nghiệm của phương trình (1) a: dùng định lí Vi-Ét hãy tính x1+x2 và x1. Find the properties of the given parabola.12. Browser Extensions. Gói VIP thi online tại VietJack (chỉ 200k/1 năm học), luyện tập gần 1 triệu câu This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Kita dapat menghitung x1^2 + x2^2 dengan cara lain.. Để biểu thức A= \(x_1^2 + x_2^2 - x_1. Apply the distributive property. Divide f-2, the coefficient of the x term, by 2 to get \frac{f}{2}-1. Tap for more steps Step 2. Actual Dimensions: 1. X1 and y1 represent the first point of coordinates. Theo dõi Vi phạm. Note: General Form always has x 2 + y 2 for the first two terms. Bài giải: Bài tập ứng dụng định lý Viète 8. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more.1.3333-0. tính giá trị của biểu thức:P= x12 + x22 x 1 2 + x 2 2. Tap for more steps Step 1.11. 2. Choose H0 ,the initial estimate of the inverse Hessian matrix A to be the unit minimize 2x2 1 + x2 2 subject to: x1 + x2 = 1 Let us rst consider the unconstrained case Di erentiate with respect to x1 and x2 @f(x1;x2) @x1 = 4x1 @f(x1;x2) @x2 = 2x2 These yield the solution x1 = x2 = 0 Doesnotsatisfy the constraint R Lusby (42111) KKT Conditions 8/40 Solve for x:(i) x - 1 x - 2 + x - 3 x - 4 = 3 1 3; x ≠ 2, 4(ii) 1 x - 1 x - 2 = 3, x ≠ 0, 2(iii) x + 1 x = 3, x ≠ 0(iv) 16 x - 1 = 15 x + 1, x ≠ 0, - 1(v) 1 x - 3 - 1 x + 5 = 1 6, x ≠ 3, - 5.1. Graph f(x)=1/2x^2. Our math solver … x^2 - Wolfram|Alpha. Below is the implementation of the above approach: Explanation: Let us first convert x2 −2x −1 (x − 1)2(x2 +1) to partial fractions. Simultaneous equation.31. Solve your math problems using our free math solver with step-by-step solutions.1. Get immediate feedback and guidance with step-by-step solutions and Wolfram Advanced Math Solutions – Integral Calculator, the basics. Step 3.Tech from Indian Institute of Technology, Kanpur. Differentiation. The final answer is . The expansion is based on the high-school identity: 1 −xn = (1 − x)(1 + x +x2 + ⋯ +xn−1) 1 − x n = ( 1 − x) ( 1 + x + x 2 + ⋯ + x n − 1) which can be rewritten as.5-in x 1. Graph the parabola using its properties and the selected points. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Step 2. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.00/month Step-by-Step Solutions Features Step-by-Step Solutions Not just answers—step-by-step solutions buttons expand answers and explain how that answer was found. Transcript. If x1 ≠ x2, then since λ ≥ λ − 1, the final inequality holds exactly when λ ≥ 0 ≥ λ − 1, or equivalently, when λ ∈ [0, 1]. (x^2-1)/(x^2+1) Natural Language; Math Input; Extended Keyboard Examples Upload Random. Show Intermediate Steps Break steps down even further with intermediate steps.93. Do đó: 1 < m < 2. Equality is achieved for x = y = 1 2. 1k. 1x2-2x+1=0 One solution was found : x = 1 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1. Other Map. Step 2. Terus, gimana, dong? Tenang. The final answer is . In simple terms, distance is a measure of the interval between two locations. Injective would be what you said in the parenthetical comment, that no two inputs produce the same output. c (15+3-1,15) - [ C (6+3-1,6) + C (7+3-1,7)+C (14+3,14,3)-C (1+3-1,1)] Frankly, I do not follow your reasoning there. Use the slope-intercept form to find the slope and y-intercept. Step 2: Next, you should minus the y2 and y1 numbers from each other. Step 2. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music… Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. A very important fact! Let W = X1 + X2. Graph f(x)=1/2x+2.13. The Quadratic Formula Calculator finds solutions to quadratic equations with real coefficients.x_2\) có giá trị nhỏ nhất hãy tìm giá trị của m. Tap for more steps x2 − 3x+2 x 2 - 3 x + 2. Hướng dẫn: Bước 1: Sử dụng định lý Vi-ét để tìm được các giá trị x 1 + x 2 và x 1 x 2. Tap for more steps x3 2 x 3 2 Algebra Simplify (x^2-1)/ (x^2-2x+1) x2 − 1 x2 − 2x + 1 x 2 - 1 x 2 - 2 x + 1 Simplify the numerator. Given, x+ 1 x =2. For … Algebra Simplify (x^ (1/2))^2 (x1 2)2 ( x 1 2) 2 Multiply the exponents in (x1 2)2 ( x 1 2) 2. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. ĐỊNH LÝ VI-ET. Integration. Step 1.11. Simplify each term. Step 2. Limits.e. The values of r and s are equidistant from the center by an unknown quantity u. Part (i) is complete.3) This is the familiar expression we have used to denote a derivative. The elision is not optional on a computer. x'1 = x1 − 2x2, x1(0) = −1 x'2 = 3x1 − 4x2, x2(0) = 2 (a) Transform the given system into a single equation of second order by solving the first equation for x2 and substitute into the second equation, thereby obtaining a second order equation for x1. Find the properties of the given parabola. Two numbers r and s sum up to 3 exactly when the average of the two numbers is \frac{1}{2}*3 = \frac{3}{2}.1 Factoring x2-x-1 The (2x2)-x-1=0 Two solutions were found : x = -1/2 = -0. Setelah itu, disamain deh dengan bentuk umum persamaan kuadrat, sehingga … Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Then plug in x = 1 to solve for y: minimize y 2 + 1 subject to y ≥ 0.x2=P thì x1, x2 là nghiệm của phương trình. View Solution. The slope-intercept form is , where is the slope and is the y-intercept. Visit Stack Exchange Calculați X1^2+X2^2 in funcție de a, stiind ca X1 si X2 sunt solutiile ecuatiei 2X^2-X-a=0? - 4822606. Table of contents.11. x 2 + y 2 + Ax + By + C = 0. The Quadratic Formula Calculator finds solutions to quadratic equations with real coefficients. x^2+x+1. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. If x1=x2, then the fact that f (x1)=f (x2) follows from the fact that f (x) is a function. <=>x1 ,2 = 2 ± √4 + 32 /2. This formula is used to find the slope of a line with two points.Step 1: Enter the equation you want to solve using the quadratic formula. x x. Our math solver supports basic math, pre-algebra, algebra, trigonometry, calculus and more. Penyelesaian : x 2 – 2x – 8 = 0 , lalu menuliskan rumus abc. Step 3. x2 − 12 x 2 - 1 2. So, x = 1.. Soalnya, x 1 dan x 2 berubahnya beda. Rewrite the equation in vertex form. The calculator will use the best method available so try out a lot of different types of problems.a. Type in any equation to get the solution, steps and graph Natural Language Math Input Extended Keyboard Examples Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. Tap for more steps Direction: Opens Up.2. Step 1.