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.
limit ([(2n)^(2n)]/(2^(2n)*(n!)^2))^(2/n) n -> inf
limit ([(2n)^(2n)]/(2^(2n)*(n!)^2))^(2/n) n -> inf
Natural Language
Math Input
Extended Keyboard
