Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.1 Areas and Volumes by Slices, #50 · Calculus · Applications of integrals
(Shells vs
(Shells vs. disks) Rotate around the axis from to . Write down the volume integral by shells and disks and compute both ways.
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.1 Areas and Volumes by Slices, #50
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