#Must I solve this algebraically? Or is there some method I'm not aware of.
5 messages · Page 1 of 1 (latest)
they are finding rate change of volume of the sphere. they have given radius of the sphere as a function of time. dS/dt = dS/dr * dr/dt. just differentiate S wrt r, r wrt t and multiply.
its not algebra. its calculus
I meant part b