The rate of change of area a of a circle is 32 pi in2min


The rate of change of Area, A, of a circle is 32 π in2/min when the radius is 2 in. Find the rate of change of the radius of the circle ( i.e., dr/dt) when the radius is 2 in.

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Mathematics: The rate of change of area a of a circle is 32 pi in2min
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