int(x^(3)sin[tan^(-1)(x^(4))])/(1+x^(8))...

`int(x^(3)sin[tan^(-1)(x^(4))])/(1+x^(8))dx=`

A

`1/4cos[tan^(-1)(x^(4))]+c`

B

`1/4sin[tan^(-1)(x^(4))]+c`

C

`(-1)/4cos[tan^(-1)(x^(4))]+c`

D

`1/4sec[tan^(-1)(x^(4))]+c`

Verified by Experts

The correct Answer is:

C

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