The radius of a circular soap bubble is increasing at the rate of

Question:

The radius of a circular soap bubble is increasing at the rate of $0.2 \mathrm{~cm} / \mathrm{s}$. Find the rate of increase of its surface area when the radius is $7 \mathrm{~cm}$.

Solution:

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now