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.
Calculate integrate (1)/(x^4 + 1) dx . Hint: factor as (x^2 + sqrt(2)x + 1)(x^2 - sqrt(2)x + 1)
Calculate integrate (1)/(x^4 + 1) dx . Hint: factor as (x^2 + sqrt(2)x + 1)(x^2 - sqrt(2)x + 1)
Natural Language
Math Input
Extended Keyboard
