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.
integrate (-1 + u sqrt(1 + u))/(u (1 + u + u sqrt(1 + u) + sqrt(-u (1 + u))))
integrate (-1 + u sqrt(1 + u))/(u (1 + u + u sqrt(1 + u) + sqrt(-u (1 + u))))
Natural Language
Math Input
Extended Keyboard