1.4. The volume of the solid generated by revolving the region bounded by the hyperbola ry = 4 and the parabola y = (r – 3)2 about the y-axis is equal to 27 cubic units A. C. cubic units 277 cubic units 2 27 D. cubic units. В.
1.4. The volume of the solid generated by revolving the region bounded by the hyperbola ry = 4 and the parabola y = (r – 3)2 about the y-axis is equal to 27 cubic units A. C. cubic units 277 cubic units 2 27 D. cubic units. В.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Help me with 1.4
Transcribed Image Text:1.4. The volume of the solid generated by revolving the region bounded by the hyperbola
ry = 4 and the parabola y = (r – 3)2 about the y-axis is equal to
277
27
A.
cubic units
C.
cubic units
5
27
В.
cubic units
2
27
D.
cubic units.
1.5. The arc length of the curve y =
from r=
1 to r = 2 is equal to
33
16
C.
units
33
A.
units
В.
units
D.
units
33
16
1.6. The arc length of the curve a/3 + y?/3 = 4 from r = 1 to r = 8 is equal to
A. VT0 units
C. 6 units
B. 9 units
D. None of these.
(3 – 2), 0 < a < 3, is revolved
1.7. The surface area generated when the arc y =
about the r-axis is equal to
3
A. V3 square units
C. 37 square units
B. 540 square units
D. Undefined.
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