If I=int(-pi)^(pi) (sin^(2))/(1+a^(x))dx...

If `I=int_(-pi)^(pi) (sin^(2))/(1+a^(x))dx, a gt 0`, then I equals

A

`pi`

B

`(pi)/(2)`

C

`a pi`

D

`a(pi)/(2)`

Verified by Experts

The correct Answer is:

B

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