5-12 Use cylindrical shells to find the volume of the solid gen- erated when the region enclosed by the given curves is revolved about the y-axis. 5. y = x', x = 1, y = 0 %3D 6. y = Vx, x = 4, x = 9, y = 0 7. y = 1/x, y = 0, x = 1, x= 3

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Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
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Solve question 7.Use cylindrical shells to find the volume of the solid generated when the region enclosed by the given curves is revolved about the y-axis. 

2.
112
4.
3.
y = Vx + 2
* = 2y - 2y2
-2
5-12 Use cylindrical shells to find the volume of the solid gen-
erated when the region enclosed by the given curves is revolved
about the y-axis.
5. y = x', x = 1, y = 0
6. y = Vx, x = 4, x = 9, y = 0
7. y = 1/x, y = 0, x = 1, x= 3
8. y = cos (x²), x = 0, x = V, y = 0
9. y = 2x - 1, y = -2x+ 3, x= 2
10. y = 2x - x2, y = 0
%3D
%3D
11. y =
1.
%3D
12. y = e*, x= 1, x=V3, y = 0
, x= 1, x =
13-16 Use cylindrical shells to find the volume of the solid
generated when the region enclosed by the given curves is re-
volved about the x-axis.
13. y´ = x, y = 1, x= 0
4. x = 2y, y = 2, y = 3, x = 0
5. y = x2, x = 1, y = 0 16. xy = 4, x+y = 5
7-20 True-False Determine whether the statement is true or
alse. Explain your answer.
7. The volume of a cylindrical shell is equal to the product of
the thickness of the shell with the surface area of a cylinder
whose height is that of the shell and whose radius is equal
to the average of the inner and outer radii of the shell.
Transcribed Image Text:2. 112 4. 3. y = Vx + 2 * = 2y - 2y2 -2 5-12 Use cylindrical shells to find the volume of the solid gen- erated when the region enclosed by the given curves is revolved about the y-axis. 5. y = x', x = 1, y = 0 6. y = Vx, x = 4, x = 9, y = 0 7. y = 1/x, y = 0, x = 1, x= 3 8. y = cos (x²), x = 0, x = V, y = 0 9. y = 2x - 1, y = -2x+ 3, x= 2 10. y = 2x - x2, y = 0 %3D %3D 11. y = 1. %3D 12. y = e*, x= 1, x=V3, y = 0 , x= 1, x = 13-16 Use cylindrical shells to find the volume of the solid generated when the region enclosed by the given curves is re- volved about the x-axis. 13. y´ = x, y = 1, x= 0 4. x = 2y, y = 2, y = 3, x = 0 5. y = x2, x = 1, y = 0 16. xy = 4, x+y = 5 7-20 True-False Determine whether the statement is true or alse. Explain your answer. 7. The volume of a cylindrical shell is equal to the product of the thickness of the shell with the surface area of a cylinder whose height is that of the shell and whose radius is equal to the average of the inner and outer radii of the shell.
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