(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

integral of (1+e^x)/(1-e^x) dx

2. Relevant equations

3. The attempt at a solution

The TA said to make u = e^x

So, du = e^x dx. dx = du/e^x.

Since e^x = u

The integral now is (1+u)/(1-u)u

I am confused as to what to do after distribute the u in the bottom.

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# Homework Help: Help with this integral

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