Let R be the region in the first quadrant bounded by the curves. Sketch the region enclosed by the given curves. Then calculate the volume obtained by rotating the region about the x − axis, and about y − axis. a) y = x^3 and y = 2x − x^2 b) y = (x +1)^(1/2) and y = x^2

Elementary Geometry For College Students, 7e
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Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 40E: Find the exact volume of the solid that results when the region bounded in quadrant I by the axes...
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Let R be the region in the first quadrant bounded by the curves. Sketch the region enclosed by the given curves. Then calculate the volume obtained by rotating the region about the x − axis, and about y − axis.

a) y = x^3 and y = 2x − x^2

b) y = (x +1)^(1/2) and y = x^2

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