Lemma
DeepChange of variables
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §14.2 Change to Better Coordinates, #37 · Multivariable Calculus · Change of variables

Find the polar moment of inertia … of the ring in Example…

Find the polar moment of inertia of the ring in Example 2 if the density is .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §14.2 Change to Better Coordinates, #37

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