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Find the volume of the...

Find the volume of the solid obtained by revolving region y=3-x and y=2*x^0.5, y=0 (0<=x<=3) about the y-axis.

Find the volume of the solid obtained by revolving region between x=y^2+2 and y=x-4, y=0 about the y-axis.

Find the volume of the solid obtained by revolving region between x=y^2+2 and y=x-4, y=0 about the y-axis.

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