A region bounded by f(y) = y, y = 8, and x = 1 is shown below. Find the volume of the solid formed by revolving the region about the y-axis.

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A: I am attaching image so that you understand each and every step.

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A: This question is related to differentiation, We will solve it using given information.

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A: I am attaching image so that you understand each and every step.

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A: given tanα=26,  α∈0,πsince tanα is positive and α∈0,π, so α lies in quadrant 1

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