Lemma
MediumApplications of integrals
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.3 Area of a Surface of Revolution, #18 · Calculus · Applications of integrals

The light bulb is a sphere of radius … with its bottom…

The light bulb is a sphere of radius with its bottom sliced off to fit onto a cylinder of radius and length . Draw the light bulb and find its surface area (ends of the cylinder not included).

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.3 Area of a Surface of Revolution, #18

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