- #1
akbar786
- 18
- 0
Homework Statement
integral of (1+e^x)/(1-e^x) dx
Homework Equations
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.