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int(dx)/(sqrt(1-e^(2x))) is equal to...

`int(dx)/(sqrt(1-e^(2x)))` is equal to

A

`log|e^(-x)+sqrt(e^(-2x) -1)|+c`

B

`log |e^(x) + sqrt(e^(2x) -1)|+c`

C

`-log|e^(-x) +sqrt(e^(-2x)-1)|+c`

D

`-log |e^(-2x)+sqrt(e^(-2x)-1)|+c`

Text Solution

Verified by Experts

The correct Answer is:
C
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