PracticeMedium
Q.The volume of a spherical balloon is increasing at the rate of 25 cm³/sec. Then the rate of increase of its surface area when radius is 5 cm is
a
cm²/sec
b
cm²/sec
c
cm²/sec
d
cm²/sec
Correct Answer: Option A
The correct solution involves applying the fundamental concept to derive the final value step by step...