Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §8.3 Area of a Surface of Revolution, #16 · Calculus · Applications of integrals
What part of the circle … should rotate around the … axis…
What part of the circle should rotate around the axis to produce the top half of a sphere? Choose limits on and verify the area.
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §8.3 Area of a Surface of Revolution, #16
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