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Find : int(sqrt(x^2+1)(log(x^2+1)-2logx)...

Find : `int(sqrt(x^2+1)(log(x^2+1)-2logx)/(x^4)dx`

A

`(1)/(3)(1+(1)/(x^(2)))^(1//2)[log(1+(1)/(x^(2)))+(2)/(3)]+C`

B

`(1)/(3)(1+(1)/(x^(2)))^(3//2)[log(1+(1)/(x^(2)))-(2)/(3)]+C`

C

`(2)/(3)(1+(1)/(x^(2)))^(3//2)[log(1+(1)/(x^(2)))+(2)/(3)]+C`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
b
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