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

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

A

`log"" [(1 +e^x )(2+e^x)]+C`

B

`log"" [(1+e^x)/(2+e^x)]+C`

C

`log"" [(1 +e^x )sqrt(2 +e^x)] +c`

D

None of these

Verified by Experts

The correct Answer is:

B

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