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int(-1/sqrt3)^(-1/sqrt3)(x^4)/(1-x^4)cos...

`int_(-1/sqrt3)^(-1/sqrt3)(x^4)/(1-x^4)cos^(- 1)((2x)/(1+x^2))dx`

A

`0`

B

`(pi)/(sqrt3) + log ( sqrt3+1)/(sqrt3-1)`

C

`(1)/( sqrt3) + (pi)/(2) log (sqrt3+1)/( sqrt3-1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
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