A spherical balloon is being blown up so that its radius increases at a rate of 0 4 cm s Find the rate of increase of the surface area of the balloon when the radius is 20 cm ...

The formula for the surface area of a sphere is A 4r where r is the rad ...

A spherical balloon is being blown up so that its radius increases at a rate of 0.4

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A spherical balloon is being blown up so that its radius increases at a rate of 0.4 cm s⁻¹.
Find the rate of increase of the surface area of the balloon when the
radius is 20 cm.

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

ISBN: 9780198427438

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Authors: Jean Linsky, Brian Western, James Nicholson

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Question Posted: Apr 14, 2023 11:19 AM

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A spherical balloon is being blown up so that its radius increases at a rate of 0.4

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Complete Pure Mathematics 1 For Cambridge International AS & A Level

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