Saved Bookmarks
| 1. |
Find the rate of change of the volume of a sphere with respect to itssurface area when the radius is 2cm. |
|
Answer» Correct Answer - 1 `V=4/3pir^(3),S=4pir^(2)` `(dV)/(dr)=4pir^(2),(dS)/(dr)=8pir^(2)` `implies(dV)/(ds)=(dV//dr)/(dS//dr)=r/2` when `r=2` `(dr)/(dS)=1` |
|