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.
Pierścień: region między y = 2x i y = x^2 w [0, 2] , obrócony wokół osi x
Pierścień: region między y = 2x i y = x^2 w [0, 2] , obrócony wokół osi x
Natural Language
Math Input
Extended Keyboard
