Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.1 Areas and Volumes by Slices, #58 · Calculus · Applications of integrals

… (around the … axis)

Use shells to find the volumes. The rotated regions lie between the curve and x axis.

$y = 1/ (1 + x^{2}), 0 \leq x \leq 3$ (around the $y$ axis)

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.1 Areas and Volumes by Slices, #58

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