Ms.M: So Y = R^3/3. And If You Determine The Rate Of Change In This Curve Correctly, I Think You'll Be Pleasantly Surprised.

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Ms.M: So y = r^3/3. And if you determine the rate of change in this
curve correctly, I think you'll be pleasantly surprised.
Class: [chuckles]
Ms.M: Don't you get it, Bart? Derivative dy = 3 r^2 / 3, or r^2 dr,
or r dr r. Har-de-har-har, get it?
Bart: [not amused] Oh, yeah. [forced laugh]
-- Making math fun, "Bart the Genius"

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