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.
Product[Product[5/x - i, {i, 2, 5 - 1}],{x,2,5-1}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random