The volume of a spherical balloon is increasing at the rate of 25 cm3 /sec. Find the rate of change of its surface area at the instant when the radius is 5 cm.

The volume of a spherical balloon is increasing at the rate of 25 c $m^{3}$ /sec. Find the rate of change of its surface area at the instant when the radius is 5 cm.

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3

Step - 4

Step - 5

Step - 6