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The region bounded by y=2.5x^2 and y=4x is to be rotated about both axes and the volume generated calculated by both the washer and the shell methods.

1)The volume of the region bounded by y=2.5x^2 and y=4x, when rotated about the x-axis is?

2) The volume of the region bounded by y=2.5x^2 and y=4x when rotated about the y-axis is?

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