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.
4(integrate (sqrt(16-x^2) - sqrt(16-(x-4)^2))dx from x=0..2)
4(integrate (sqrt(16-x^2) - sqrt(16-(x-4)^2))dx from x=0..2)
Natural Language
Math Input
Extended Keyboard
