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Math Help - 3D volume problem with spherical coordinates

  1. #1
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    3D volume problem with spherical coordinates

    Find the volume of a solid between the graph of z=0 and z= \frac {1}{(x^2+y^2)^{25}} , and outside the cylinder x^2+y^2=1.

    Guys, I haven't done triple variables for a long time, how should I start? Thank you.
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  2. #2
    Junior Member slider142's Avatar
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    Note the cylindrical coordinate r = \sqrt{x^2 + y^2} being present in the equations. This suggests that this integral is easily computed in cylindrical coordinates. Remember that the volume form in cylindrical coordinates is r dr d\theta dz.
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