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15 February, 14:45

Let A be the area of circle of radius r that is changing with respect to time. If dr/dt is constant, is dA/dt constant? Expain.

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  1. 15 February, 15:40
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    Hello,

    A=πr²

    dA/dt=2πr*dr/dt

    if dr/dt is constant, dA/dt is linear.
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