integral ((e^(1/x) /x^2 *( e^arctanx /(x^2+1))) )= integral(e^(1/x) / x^2) * integral (e^arctanx / (x^2 + 1))

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.