differential calculus
posted by wen .
a right circular cylinder has a fixed height of 6 units. Find the ratio of change of its volume(v) with respect to the radius(r) of its base.

V = pi r^2 h
dV/dr = pi h (2 r)
dV/dr = 12 pi r
posted by wen .
a right circular cylinder has a fixed height of 6 units. Find the ratio of change of its volume(v) with respect to the radius(r) of its base.
V = pi r^2 h
dV/dr = pi h (2 r)
dV/dr = 12 pi r