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.
UPGRADE TO PRO
APPS
TOUR
Sign in
limit (((x^2-3x+4)/(x-3))^1/3 - ((x^2+4x)/(x^2-14))^1/4)/((3x+4)^1/4-(x+4)^1/3) , x -> 4
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random