6. The edge of a cube is decreasing at the rate of0.6 cm/sec. The rate – InterviewSolution

1.	6. The edge of a cube is decreasing at the rate of0.6 cm/sec. The rate at which the surface area is decreasing whenthe edge of the cube is 12 cm, isa) 86.1 cm/sec(b)86.2 cm /secc) 86.3 cm/sec(d) 86.4 cm/sec
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