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

` int (e^(x))/(( 1 + e^(x))^(2)) dx =` _______ + c

A

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

B

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

C

`1 + e^(x)`

D

` (( 1 + e^(x))^(3))/(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
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