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int(0)^(oo)(1)/(1+e^(x))dx=...

`int_(0)^(oo)(1)/(1+e^(x))dx=`

A

`log 2-1`

B

`log 2`

C

`log 4-1`

D

`-log 2`

Text Solution

Verified by Experts

The correct Answer is:
B
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