4. (a) Sketch the (finite) region R bounded by the functions y = x² and y = 4 and find the points of intersection. (b) Find the volume of revolution generated when the region R is rotated about the line y = 5.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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4. (a) Sketch the (finite) region R bounded by the functions y = x? and y
4 and find
the points of intersection.
(b) Find the volume of revolution generated when the region R is rotated about the
line y = 5.
Transcribed Image Text:4. (a) Sketch the (finite) region R bounded by the functions y = x? and y 4 and find the points of intersection. (b) Find the volume of revolution generated when the region R is rotated about the line y = 5.
Expert Solution
Step 1

Given:

y=x2  and y=4

a) given

y=x2  and y=4

Substitute y=4 in y=x2  

4=x2x=±2

The point of intersection is 0,2 and 0,-2

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