JEE Main 2020 Mathematics question
If the surface area of a cube is increasing at a rate of 3.6 /sec, retaining its shape, then the rate of change of its volume (in /sec.), when the length of a side of the cube is 10 cm, is :
Answer: (D)
If the surface area of a cube is increasing at a rate of 3.6 /sec, retaining its shape, then the rate of change of its volume (in /sec.), when the length of a side of the cube is 10 cm, is :