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Use the Transformation x=2u23v,y=2u+23vx = \sqrt { 2 } u - \sqrt { \frac { 2 } { 3 } } v , y = \sqrt { 2 } u + \sqrt { \frac { 2 } { 3 } } v

Question 46

Multiple Choice

Use the transformation x=2u23v,y=2u+23vx = \sqrt { 2 } u - \sqrt { \frac { 2 } { 3 } } v , y = \sqrt { 2 } u + \sqrt { \frac { 2 } { 3 } } v to evaluate the integral R(x2xy+y2) dA\iint _ { R } \left( x ^ { 2 } - x y + y ^ { 2 } \right) d A , where RR is the region bounded by the ellipse x2xy+y2=2x ^ { 2 } - x y + y ^ { 2 } = 2 .


A) 100π33/2\frac { 100 \pi } { 3 ^ { 3 / 2 } }
B) 253\frac { 25 } { \sqrt { 3 } }
C) 5π3\frac { 5 \pi } { \sqrt { 3 } }
D) 5π23\frac { 5 \pi ^ { 2 } } { \sqrt { 3 } }
E) 4π3\frac { 4 \pi } { \sqrt { 3 } }

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