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The value of int(x^(2)+1)/(x^(4)-x^(2)+1...

The value of `int(x^(2)+1)/(x^(4)-x^(2)+1)dx` is

A

`tan^(-1)(2x^(2)-1)+C`

B

`tan^(-1)(x^(2)+1)/(x)+C`

C

`sin^(-1)(x-(1)/(x))+C`

D

`tan^(-1)((x^(2)-1)/(x))+C`

Text Solution

Verified by Experts

The correct Answer is:
D
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