Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
simplify (2e^x/(1-2e^x+e^(2x)))/((1+e^x)/(1-e^x))
simplify (2e^x/(1-2e^x+e^(2x)))/((1+e^x)/(1-e^x))
Natural Language
Math Input
Extended Keyboard
