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(4-x^2)dx from x=1 to 2)+2(integrate sqrt(12-(x-4)^2)dx from x=4-2sqrt(3) to 1)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random