माना f(x) = (sin^(2)pi x)/(1 + pi^(x))."...

माना `f(x) = (sin^(2)pi x)/(1 + pi^(x))."तब" int (f(x) + f(-x)) dx =`

A

`0`

B

`x + c`

C

`(x)/(2) - (cos pi x)/(2pi) + c`

D

`(x)/(2) - (sin 2 pi x)/(4 pi) + c`

Verified by Experts

The correct Answer is:

D

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