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