antiderivative of exponential function

[theschaef]

Hi, I was wondering if anyone could tell me how i would go about finding the antiderivative of e^arctanx.. not really sure what to do on this one.[/code]

 

[pka]

There is no elementary solution to this.
It can be done with complex analysis.
Visit http://integrals.wolfram.com/index.jsp
Type in exp[arctan[x]].
It will give you the complex answer.