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.
lim n->infinity (((n^3)+n+1)^(1/n) - sqrt*((n^3)-1))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random