(x - 1)(x² +64) (x - 1)(x² +64) Setting the numerators equal we can determine the following. A+B=0✔ 0 C-B- 0 0 64AC = 65✓ 65 Step 4 The equation 64A - C= 65 is in terms of A and C. To simplify the process of solving, we need a second equation in terms of A and C. Since CB= 0, we know that C= B. Therefore, we can rewrite the equation A + B = 0 using substitution so that it is in terms of A and C as follows. A+C =0 We have a set of equations. A+C =0 64A - C = 65 Solving for A and C gives the following result. A = 11 C = -1✔ Further, since C= B we can also find B. B=-1✔ -1 Step 5 We can now apply the values A 1, B-1, and C -1. A x-1 + Bx + C x² + 64 - Therefore, we have the following. 65 (x - 1)(x² +64) X-X1 x-1 dx = + - dx = ‹ - / ( √ + + + + - -X- -1 x + (-1✓ x+64 X + C x² + 64 X - √(x = 1= x ² + [64] ✓ 64 dx -1 Step 6 Using the substitution u = x - 1, we get the following. (Remember to use absolute values where appropriate.) 11 x2+64 dx
(x - 1)(x² +64) (x - 1)(x² +64) Setting the numerators equal we can determine the following. A+B=0✔ 0 C-B- 0 0 64AC = 65✓ 65 Step 4 The equation 64A - C= 65 is in terms of A and C. To simplify the process of solving, we need a second equation in terms of A and C. Since CB= 0, we know that C= B. Therefore, we can rewrite the equation A + B = 0 using substitution so that it is in terms of A and C as follows. A+C =0 We have a set of equations. A+C =0 64A - C = 65 Solving for A and C gives the following result. A = 11 C = -1✔ Further, since C= B we can also find B. B=-1✔ -1 Step 5 We can now apply the values A 1, B-1, and C -1. A x-1 + Bx + C x² + 64 - Therefore, we have the following. 65 (x - 1)(x² +64) X-X1 x-1 dx = + - dx = ‹ - / ( √ + + + + - -X- -1 x + (-1✓ x+64 X + C x² + 64 X - √(x = 1= x ² + [64] ✓ 64 dx -1 Step 6 Using the substitution u = x - 1, we get the following. (Remember to use absolute values where appropriate.) 11 x2+64 dx
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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