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Integral problem

  1. Feb 26, 2009 #1
    does anybody know how to take this integral???

    [tex] \int \frac{dx}_{({x^2 + a^2})^{3/2}} [/tex]
  2. jcsd
  3. Feb 26, 2009 #2
    Not too bad.

    Just use a trig substitution. let x = a tan Q, and then it works out nicely.
  4. Feb 27, 2009 #3
    well, look at that...!

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