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[" 23.Water is flowing out at the rate o...

[" 23.Water is flowing out at the rate of "6m^(3)/min" from a reservoir shaped like a hemispherical bowl of "],[" radius "R=13m" .The volume of water in the hemigherical bow lis given by "V=(pi)/(3)*y^(2)(3R-y)],[" when the water is "y" meter deep.Find "],[[" (a) At what rate is the water level changing when the water is "8m" deep."],[" (b) At what rate is the radius of the water surface changing when the water is "8m" deep."]]

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