AM-2135

Maxima and minima problems

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

1. $V = 15\pi r^2 - 2\pi r^3$
2. $V = 15\pi r^2 + 2\pi r^3$
3. $V = 15\pi r - 2\pi r^2$
4. $V = 30\pi r^2 - 4\pi r^3$

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