Let f(x)=(sin^(2)pix)/(1+pi^(x)) Then,...

Let `f(x)=(sin^(2)pix)/(1+pi^(x))`
Then, `int(f(x)+f(-x))dx` is equal to :a)0 b)`x+c` c)`x/2-(cospix)/(2pi)+c` d)`x/2-(sin2pix)/(4pi)+c`

A

0

B

`x+c`

C

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

D

`x/2-(sin2pix)/(4pi)+c`

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The correct Answer is:

D

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