If the volume of a frustrum is given as... | JAMB UTME - Mathematics - 2019

Question 1 Report

If the volume of a frustrum is given as \(V=\frac{\pi h}{3}(R^2+Rr+r^2)\), find \(\frac{\mathrm{d}V}{\mathrm{d}R}\).

\frac{π h}{3} (2 R + r)

2R+r+πh3

\frac{π h}{3} (2 R^{2} + r + 2 r)

\frac{2 R^{2}}{3} π h

If the volume of a frustrum is given as \(V=\frac{\pi h}{3}(R^2+Rr+r^2)\), find \(\frac{\mathrm{d}V}{\mathrm{d}R}\).