AM-2256

Maxima and minima problems

A Math · Secondary 4 · Medium · Maxima and minima problems

1. $V = 5\pi r^2 - \dfrac{2}{3}\pi r^3$
2. $V = 5\pi r^2 + \dfrac{2}{3}\pi r^3$
3. $V = \dfrac{5}{3}\pi r^3 - 2\pi r^2$
4. $V = \dfrac{1}{3}\pi(15r - 2r^2)$

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