Thinkwell | Exercise_2.30.pdf - Thinkwell | Exercise 8:14...

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10/27/19, 8 : 14 PM Thinkwell | Exercise Page 1 of 2 1 of 10 next Correct! You said B: The correct answer is B: Explanation: Evaluate the integral: x 6 ( x 2 + 1) 5 dx ( x 2 + 1) + C 3 11 11 6 ( x 2 + 1) + C 3 11 11 6 x 6 ( x 2 + 1) 5 dx Let u = x 2 + 1 Then du = 2 xdx = xdx x 6 ( x 2 + 1) 5 dx = 6 ( x 2 + 1) 5 xdx = 6 ( u ) 5 = 6

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