int e^x ((1-x)/(1+x^2))^2 dx is equal to...

`int e^x ((1-x)/(1+x^2))^2 dx` is equal to

A

`e^x((1-x)/(1+x^2))+c`

B

`e^x((1)/(1+x^2))+c`

C

`e^x((1+x)/(1+x^2))+c`

D

`e^x((1+x)/(1+x^2)^2)+c`

Verified by Experts

The correct Answer is:

B

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