CUET Preparation Today
| The area of a square increases at the rate of 8 cm2/s. Then by what rate does the perimeter change with respect to time considering the length of the side equal to 8 cm. |
2 cm/s 5 cm/s 4 cm/s 8 cm/s |
| 2 cm/s |
| dx/dt = 4/x dP/dt = 16/x |
