Given a solid whose cross sections have area for . Compute the volume of this solid in terms of , the cross sections corresponding to , respectively.

Since the area of the cross section at is given by , we have

Then, we compute the volume,

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Stumbling Robot

A Fraction of a Dot
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Establish the prismoid formula

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Given a solid whose cross sections have area for . Compute the volume of this solid in terms of , the cross sections corresponding to , respectively.

Since the area of the cross section at is given by , we have

Then, we compute the volume,

I think it should be instead of there.

Thanks! Fixed.