- #1

fk378

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## Homework Statement

Integrate.

1/ [e^x (1-e^(-2x))^1/2]

## Homework Equations

integration by parts

## The Attempt at a Solution

First I split up the integral so it would be (1/e^-x)[(1/(1-e^-2x)^1/2]

Then I set u=e^-x, dv= (1-e^-2x)^-1/2

du= -e^-x

For my v I got 2(1-e^-2x)^1/2 but I don't know how to go about with the e^-2x, as in how to finish solving for the v-part.

I tried u-substitution and I get another term in the denominator. Then when I tried to differentiate the answer I originally got for v, I did not have anything in the denominator... can anyone help?