[" 9.If the rate of change of area of a circle equal to the rate of change of its diameter,then its radius is equal "],[" to "]

If the rate of change of area of a circle is equal to the rate of change of its diameter, then its radius is equal to

If the rate of change of area of circle is equal to the rate of change of its diameter, then its radius =

If the rate of change of area of a circle is equal to tha rate of change of its diameter then its radius =

If the rate of change of area of a circle is equal to the rate of change of its diameter, then its radius is equal to (a) unit (b) unit (c) units (d) units

The rate of change of volume of a sphere is equal to the rate of change of its radius, then its radius is equal to

The rate of change of volume of a sphere is equal to the rate of change of its radius, then its radius is equal to

If the rate of change of volume of a shpere is equal to the rate of the change of its radius then its radius=

If the rate of change of volume of a sphere is the same as rate of change of its radius,then radius,is equal to

If the rate of change of area bounded by circle is equal to the rate of change of its radius, find the radius of the circle.

If the rate of change of area of a square plate is equal to that of the rate of change of its perimeter, then length of the side, is