The rate of change of surface area of a sphere of radius r when the radius is increasing at the rate of 2 cm/s. is proportional to

The rate of change of surface area of a sphere of radius r when the radius is increasing at the rate of 2 cm/sec is proportional to

The rate of change of surface area of a sphere of radius r when the radius is increasing at the rate of 2 cm/sec is proportional to

The rate of change of surface area of a sphere of radius r when the radius is increasing at the rate of 2 cm/sec is proportional to: a) 1/r b) r c) 1/r^2 d) r^2

The rate of change of surface area of a sphere of radius r when the radius is increasing at the rate of 2 cm/sec is proportional to a)1/r b)1/r^2 c)r d)r^2

The rate of change of the surface area of a sphere of radius r when the radius is increasing at the rate of 2cm/sec is proportional to

The rate of change of surface area of a sphere w.r.t. radius is ………..

Find the rate of the change of surface area of a sphere when its radius is increasing at the rate of 3/pi cm/min and its radius is 1 cm.

Rate of increase in surface area of a sphere w.r.t radius is ……….

Find rate of change of area of a circle with respect to the time when the radius is increasing at the rate 0.7 cm/s.Given that r=5cm