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Evaluate the Integral Rx2+9y2dA\iint _ { R } \sqrt { x ^ { 2 } + 9 y ^ { 2 } } d A

Question 94

Multiple Choice

Evaluate the integral Rx2+9y2dA\iint _ { R } \sqrt { x ^ { 2 } + 9 y ^ { 2 } } d A , where R is the region enclosed by the ellipse x29+y2=1\frac { x ^ { 2 } } { 9 } + y ^ { 2 } = 1 .


A) 24 π\pi
B) π\pi
C) 12 π\pi
D) 3 π\pi
E) 10 π\pi
F) 2 π\pi
G) 6 π\pi
H) 4 π\pi

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