Physics · Mathematical tools and vector · Applications of Differentiation
JEE MainsNEET
The radius of a circle increases at 3 cm s⁻¹. Find the rate of increase of its area when r = 4 cm.
Options
48π cm² s⁻¹
24π cm² s⁻¹
12π cm² s⁻¹
16π cm² s⁻¹