If the rate of change of area of a circle is equal to the rate of change of its diameter, - Maths - Application of Derivatives

Question

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??

Brijendra Pal · Accepted Answer

Hi, Assuming change is wrt to radius so dAdr=ddrDddrπr2=ddr2r2πr= 2 r  = 722 unit

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??