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.
( (1/T) * ( integrate ( 2^2) from 0 to 0.25*T) +(1/T) * integrate ( 0) from 0.25T to T) ) )
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random