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Study23

  • 3 years ago

Find DA/dt in terms of dr/dt: A=pi*r^2

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  1. hsrikako
    • 3 years ago
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    \[dA/dt = (2(pi)r)(dr/dt)\]\[dr/dt = (dA/dt)/(2(pi)r)\] The derivative of Area is Circumference in a circle.

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