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Solve the Problem R1(x225+y216+z29)dxdydz\iiint _ { R } \int \sqrt { 1 - \left( \frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } + \frac { z ^ { 2 } } { 9 } \right) } d x d y d z

Question 431

Multiple Choice

Solve the problem.
-Evaluate
R1(x225+y216+z29) dxdydz\iiint _ { R } \int \sqrt { 1 - \left( \frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } + \frac { z ^ { 2 } } { 9 } \right) } d x d y d z
where RR is the interior of the ellipsoid x225+y216+z29=1\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } + \frac { z ^ { 2 } } { 9 } = 1 . Hint: Let x=5u,y=4v,z=3wx = 5 u , y = 4 v , z = 3 w , and then convert to spherical coordinates.


A) 15π15 \pi
B) 20π20 \pi
C) 20π220 \pi ^ { 2 }
D) 15π215 \pi ^ { 2 }

Correct Answer:

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