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.
%5Clim_%7Bn %5Crightarrow %5Cinfty%7D%5Cfrac%7B(5n%5E3-3n%5E2%2B7)(n%2B1)%5En%7D%7Bn%5E%7Bn%2B1%7D(n%2B1)%5E2%7D
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
