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.
2( (integrate sqrt(9-(x-3)^2)dx from x=9/2..6)-(integrate sqrt(27-x^2)dx from x=9/2..sqrt(27)) )
2( (integrate sqrt(9-(x-3)^2)dx from x=9/2..6)-(integrate sqrt(27-x^2)dx from x=9/2..sqrt(27)) )
Natural Language
Math Input