- Prove that the volume of the solid of revolution obtained by rotating the ellipse
about its major axis is times the volume of the unit sphere.

- What is the result in the case that the ellipse is rotated about its minor axis?

**Incomplete.**

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Stumbling Robot

A Fraction of a Dot
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Prove a property of the volume of the solid of revolution formed by an ellipse

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### Point out an error, ask a question, offer an alternative solution (to use Latex type [latexpage] at the top of your comment):

- Prove that the volume of the solid of revolution obtained by rotating the ellipse
about its major axis is times the volume of the unit sphere.

- What is the result in the case that the ellipse is rotated about its minor axis?

**Incomplete.**

а) substitute t=x/a. Result a(b^2).

b) substitute t=y/b. Result (a^2)b.