Mathematics, 05.11.2020 18:30 Gillo34

If A is the area of a circle with radiusr and the circle expands as time passes, find dA/dt in terms of dr/dt. So I have, A= π r2
dA/dt = 2π r (dr/dt)

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If A is the area of a circle with radiusr and the circle expands as time passes, find dA/dt in terms...

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If A is the area of a circle with radiusr and the circle expands as time passes, find dA/dt in terms of dr/dt. So I have, A= π r2 dA/dt = 2π r (dr/dt)

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Another question on Mathematics

If A is the area of a circle with radiusr and the circle expands as time passes, find dA/dt in terms of dr/dt. So I have, A= π r2
dA/dt = 2π r (dr/dt)