If the rate of change of radius of a circle is 6 cm/s then find the rate of change of area of the circle when r=2 cm.

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answerhappygod
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If the rate of change of radius of a circle is 6 cm/s then find the rate of change of area of the circle when r=2 cm.

Post by answerhappygod »

a) 74.36 cm2/s
b) 75.36 cm2/s
c) 15.36 cm2/s
d) 65.36 cm2/s
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