MATH 251, Section Quiz 10 (Sections 13.9, 13.10, 14.1). Dr. M. Vorobets

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MATH 251, Section
Thursday, Nov. 4, 2010
Quiz 10 (Sections 13.9, 13.10, 14.1).
Dr. M. Vorobets
NAME (print):
No credit for unsupported answers will be given. Clearly indicate your final answer.
1. [3 pts.] Sketch the solid whose volume is given by the integral
R2π R2 4−r
R 2
0 0
2. [2 pts.] Find the gradient vector field for the function
√
f (x, y, z) = x sin(y 2 + z 2 )
[more problems on back]
0
r dzdrdθ
3. [5 pts.]
p Use spherical coordinates to find the volume of the solid that lies above the cone
z = x2 + y 2 and below the sphere x2 + y 2 + z 2 = 2z.
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