Question

The edge of a cube is decreasing at the rate of 0.6 cm/sec then the rate at which its volume is decreasing when the edge of the cube is 2 cm, is

Options

• 1.2 cm³ /sec

• 3.6 cm³ /sec 

• 4.8 cm³ /sec

• 7.2 cm³ /sec

Answer 1

7.2 cm³ /sec