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.
((4(x-1))/(((x+1)^3)(((((x-1)^2)/(((x+1)^2)))+1))))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random