The region shown below is bounded by the curve y = 2x3 and the lines x = 8 and y = 3.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The region shown below is bounded by the curve y = 2x/3 and the lines x = 8 and y = 3.
Answer the following based on the graph given above.
Transcribed Image Text:The region shown below is bounded by the curve y = 2x/3 and the lines x = 8 and y = 3. Answer the following based on the graph given above.
a. Consider a solid generated by rotating the above region about the x-axis.
Set up the integral in terms of x that gives the volume of this solid.
8
Volume =
pi(4x^(2/3)-9)
dx
(exact or 5 sig figs)
27/8
Set up the integral in terms of y that gives the volume of this solid.
4
Volume =
dy
(exact or 5 sig figs)
3
Find the volume.
Volume =
(3 sig figs)
b. Consider a solid generated by rotating the above region about the line x = 10.
Set up the integral in terms of x that gives the volume of this solid.
8
Volume =
dx
(exact or 5 sig figs)
27/8
Set up the integral in terms of y that gives the volume of this solid.
4
dy
Volume =
(exact or 5 sig figs)
3
Find the volume.
Volume =
(3 sig figs)
Transcribed Image Text:a. Consider a solid generated by rotating the above region about the x-axis. Set up the integral in terms of x that gives the volume of this solid. 8 Volume = pi(4x^(2/3)-9) dx (exact or 5 sig figs) 27/8 Set up the integral in terms of y that gives the volume of this solid. 4 Volume = dy (exact or 5 sig figs) 3 Find the volume. Volume = (3 sig figs) b. Consider a solid generated by rotating the above region about the line x = 10. Set up the integral in terms of x that gives the volume of this solid. 8 Volume = dx (exact or 5 sig figs) 27/8 Set up the integral in terms of y that gives the volume of this solid. 4 dy Volume = (exact or 5 sig figs) 3 Find the volume. Volume = (3 sig figs)
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