integrals.wolfram.com   Use one of Mathematica's 2500+ functions FREE online

Wolfram Mathematica Online Integrator
The world's only full-power integration solver
∫

ArcTan[a*x]^2/(2*a)


Integrate[ArcTan[a*x]/(1 + a^2*x^2), x] ==
ArcTan[a*x]^2/(2*a)



          ArcTan[a x]
Integrate[-----------, x] == 
                2  2
           1 + a  x

           2
ArcTan[a x]
------------
    2 a

Time to compute: < 0.01 second

Spread the word: