cathy_liping wrote:how to integrate (exp(ax)-exp(bx))/((exp(ax)+1)(exp(bx)+1)) where x is from 0 to 1. i have no idea when i saw it... tks in advance!
Try to use the LaTex format next time. I found this site quite helpful to edit the formulae in real time. http://www.codecogs.com/latex/eqneditor.php
from here you can substitution
. After some manipulation, you will get
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