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If f(x) = (e^x)/(1 + e^x) , I1 = int(f(-...

If `f(x) = (e^x)/(1 + e^x) , I_1 = int_(f(-a))^(f(a)) x g {x(1 - x)} dx and I_2 = int_(f(-a))^(f(a)) g{x(1 - x)} dx`, then `(I_2)/(I_1)` is :

A

2

B

`-3`

C

`-1`

D

`1`

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The correct Answer is:
A
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