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Evaluate the integerals. int (dx)/(1...

Evaluate the integerals.
`int (dx)/(1+e^(x)), x in R`

A

`-log|1+e^(-x)|+c`

B

`log|1+e^(-x)|+c`

C

`log|1+e^(x)|+c`

D

none

Text Solution

Verified by Experts

The correct Answer is:
A
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