The shape of a Pontoon is designed by rotating the graph of f(x) = 1 - from [-4.4] about the x-axis where x and f(x) are measured in feet. Use any method to find the volume of the pontoon.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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i need help with these two thank you

+-2
16
3. The shape of a Pontoon is designed by rotating the graph of f(x) = 1 - from [-4.4] about the x-axis
where x and f(x) are measured in feet. Use any method to find the volume of the pontoon.
D
Transcribed Image Text:+-2 16 3. The shape of a Pontoon is designed by rotating the graph of f(x) = 1 - from [-4.4] about the x-axis where x and f(x) are measured in feet. Use any method to find the volume of the pontoon. D
2. Find the volume of the solid obtained by rotating the region formed by x = 1 + (y-2)2 and x = 2
about the x-axis. Make sure to state which method you use and to draw/sketch the solid produced.
Transcribed Image Text:2. Find the volume of the solid obtained by rotating the region formed by x = 1 + (y-2)2 and x = 2 about the x-axis. Make sure to state which method you use and to draw/sketch the solid produced.
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where did the (1-2x x^2/16) i am confused on how you got the 1+2x from. wouldnt be  were the y ^2 is be replaced by this (1-x^2/16)^2?

 

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