The area of the surface generated by revolving the curve y = V9 - x,-2 s xS 2 about the x-axis is 24r.

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
Section10.6: The Three-dimensional Coordinate System
Problem 40E: For the sphers x-12+y+22+z-42=36 and x2+y2+z2=64, find the ratio of their a surface areas. b...
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The area of the surface generated by revolving
the curve y V9-x2,-2 sx S 2 about the
x-axis is 24x.
The length of the curve y 3-4x for
05xS 3 is calculated by the integral:
Select one:
Vx+1
Vx+4
Vx+4
None of the others.
The length of the curve
y = xi -1,0 s xS l is .
4V2
Which one is the arc-length of the curve
y =2/7x + 11, x E (7, 11]?
147x+280
dx
7x+11
14x +99x+170
7x+11
xp
21x+40x+60
dx
7x+11
7x+60
7x+11
O none
Transcribed Image Text:The area of the surface generated by revolving the curve y V9-x2,-2 sx S 2 about the x-axis is 24x. The length of the curve y 3-4x for 05xS 3 is calculated by the integral: Select one: Vx+1 Vx+4 Vx+4 None of the others. The length of the curve y = xi -1,0 s xS l is . 4V2 Which one is the arc-length of the curve y =2/7x + 11, x E (7, 11]? 147x+280 dx 7x+11 14x +99x+170 7x+11 xp 21x+40x+60 dx 7x+11 7x+60 7x+11 O none
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