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

Wolfram Mathematica Online Integrator
The world's only full-power integration solver
∫
-(1/Sqrt[a^2 + x^2])

Integrate[x/(a^2 + x^2)^(3/2), x] ==
-(1/Sqrt[a^2 + x^2]) 

               x
Integrate[------------, x] == 
            2    2 3/2
          (a  + x )

        1
-(-------------)
        2    2
  Sqrt[a  + x ]
Time to compute: < 0.01 second
Spread the word: