Physics · Mathematical tools and vector · Applications of Differentiation
JEE MainsNEET
The side of a square increases at 4 cm s⁻¹. Find the rate of increase of its area when side is 7 cm.
Options
56 cm² s⁻¹
28 cm² s⁻¹
49 cm² s⁻¹
112 cm² s⁻¹