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int(x^(2) + 1)/(x^(4) + 1) dx =...

`int(x^(2) + 1)/(x^(4) + 1) dx =`

A

`log (x^(4)+x^(2)+1)+c`

B

`log ((x^(2)-x+1)/(x^(2)+x+1))+c`

C

`1/2 log ((x^(2)-x+1)/(x^(2)+x+1))+c`

D

`1/2 log ((x^(2)+x+1)/(x^(2)-x+1))+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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