Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the specified axis. 1. y = VT, r = 2y; about r = 5. 2. x = 2y?, x = y²+1; about y = -2. %3D

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
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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I need help to find the volume of a cylinderical shape for problem #2. I believe the formula to find the volume is V=r(radius)h(height) dy since there is change on the y-axis.  Please show how to get from x=y^2+1 equal to x=2y^2. 

Now You Try It (NYTI):
Use the method of cylindrical shells to find the volume generated by rotating the region
bounded by the given curves about the specified axis.
1. y = Vr, x = 2y; about r = 5.
2. r = 2y?, x = y?+1; about y = -2.
Transcribed Image Text:Now You Try It (NYTI): Use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the specified axis. 1. y = Vr, x = 2y; about r = 5. 2. r = 2y?, x = y?+1; about y = -2.
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