Comments by "Titanium Rain" (@ChucksSEADnDEAD) on "Integration in polar coordinates | MIT 18.02SC Multivariable Calculus, Fall 2010" video.

  1. It was subtle but you have to watch out for the 1/r^3 r dr dtheta. The r in the nominator position crosses out one of the rs in the denominator leaving 1/r^2 dr dtheta.
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