Find the volume of the solid formed by revolving the region bounded by y = 6x – x and y= 0 about the x-axis. 1296 Tt units3 259.2 units3 36TT units 36 units3

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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QUESTION 3
Find the volume of the solid formed by revolving the region bounded by y = 6x -x and y=0 about the x-axis.
1296
TT units3
259.2 units3
36π units 5
36 units3
Transcribed Image Text:QUESTION 3 Find the volume of the solid formed by revolving the region bounded by y = 6x -x and y=0 about the x-axis. 1296 TT units3 259.2 units3 36π units 5 36 units3
Expert Solution
Step 1

Since region is bounded by y=6x-x2 & y=0  , then 

6x-x2=0x6-x=0

Therefore x=0 & x=6 is point of intersection at y=0.

Now , volume of the solid formed by revolving the region bounded by y=6x-x2  & y=0

about x-axis is 

V=06fx2dx   where fx=6x-x2 .

Now , 

V=066x-x22dx

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