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.
Plot (integrate sin(Pi x) e^(-i k x) from 0 to 1)*(integrate sin(Pi x) e^(i k x) from 0 to 1)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random