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int ((3-x^(2))e^(x))/(1-2x+x^(2)) dx = e...

`int ((3-x^(2))e^(x))/(1-2x+x^(2)) dx = e^(x).f(x) + c, then f(x) =`

A

(1+x)/(1-x)

B

(1-x)/(1+x)

C

(1+x)/(x-1)

D

(x-1)/(1+x)

Text Solution

Verified by Experts

The correct Answer is:
A
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