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Choose the correct answer: int sqrt(x^2-...

Choose the correct answer: `int sqrt(x^2-8x+7) dx` is equal to:

A

`(1)/(2) (x-4) sqrt(x^(2)-8x+7) +9 log|x-4+sqrt(x^(2)-8x+7)|+c`

B

`(1)/(2)(x+4) sqrt(x^(2)-8x+7) +9 log |x+4 +sqrt(x^(2)-8x+7)|+c`

C

`(1)/(2) (x-4) sqrt(x^(2)-8x+7) -3 sqrt(2) log|x+4+sqrt(x^(2)-8x+7)|+c`

D

`(1)/(2) (x-4) sqrt(x^(2)-8x+7) -(9)/(2) log|x-4+sqrt(x^(2)-8x+7)|+c`

Text Solution

Verified by Experts

The correct Answer is:
D
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