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.
(int(pi(y^2-9)^2) dy from 0 to sqrt(6)) - (9sqrt(6)pi)
(int(pi(y^2-9)^2) dy from 0 to sqrt(6)) - (9sqrt(6)pi)
Natural Language
Math Input
Extended Keyboard
