Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = In(4x), y = 4, y = 6, x 0; about the y-axis %3! %3!

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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6.
2
- 50
X
- 100
-50
50
100
- 100
Step 2
We must re-write y = In(4x) as x =
1
Step 3
When the shaded region is rotated arqund the y-axis, a horizontal strip of vertical span Ay creates a disk.
The radius of this disk isr =
Transcribed Image Text:6. 2 - 50 X - 100 -50 50 100 - 100 Step 2 We must re-write y = In(4x) as x = 1 Step 3 When the shaded region is rotated arqund the y-axis, a horizontal strip of vertical span Ay creates a disk. The radius of this disk isr =
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified
line.
y = In(4x), y = 4, y = 6, x = 0; about the y-axis
Step 1
We will use horizontal strips. Such a strip has a vertical span of Ay. Sketch the region.
y
y
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80
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100
X
6.
8
y
y
100-
80
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MacBook Pro
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Transcribed Image Text:Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = In(4x), y = 4, y = 6, x = 0; about the y-axis Step 1 We will use horizontal strips. Such a strip has a vertical span of Ay. Sketch the region. y y 100 80 60 40 20 20 40 60 80 100 X 6. 8 y y 100- 80 60 40 MacBook Pro 20 000 000 F1 F2 F3 F4 F5 F6 F7 @ & %24 23
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