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Math Help - Sphere Problem

  1. #1
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    Sphere Problem

    The radius of a sphere increases at a constant rate.

    Prove that the rate of chance of the volume is proportional to the surface area.
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  2. #2
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    Quote Originally Posted by Skyrim View Post
    The radius of a sphere increases at a constant rate.

    Prove that the rate of chance of the volume is proportional to the surface area.
    \displaystyle \frac{dV}{dt} = \frac{dV}{dr} \cdot \frac{dr}{dt}.
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