The surface area of a cube is
decreasing at the rate of I5 sq cm/sec
Find the rate at which its edge is
decreasing when the length of the edge
is 5cm.
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1
Answer:
the rate is 1÷4
Step-by-step explanation:
ds÷dt=12xdx÷dt
15÷12×5=dx÷dt
dx÷dt=1÷4
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