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.
(a+4 (a-4)^1/2)^1/2+(a-4 (a-4)^1/2)^1/2=4
(a+4 (a-4)^1/2)^1/2+(a-4 (a-4)^1/2)^1/2=4
Natural Language
Math Input
