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

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

A

`tan^(-1)x+(x^(4))/(4)`

B

`(x^(3))/(3)+tan^(-1)x`

C

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

D

`(x^(3))/(3)+(1)/(2)log|(x+1)/(x-1)|`

Text Solution

Verified by Experts

The correct Answer is:
B
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