Give all solutions of the nonlinear system of equations, including those with nonreal complex components. 2x2 + xy + 2y2 = 23x2 - 5xy + 3y2 = 3
A. {(1, 0), (-1, 0)}
B. {(1, 0), (-1, 0), (0, 1), (0, -1)}
C. {(1, 0), (0, 1)}
D. {(1, 0)}
Answer: B
Mathematics
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A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 3
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Evaluate the integral.
A. 
B. 58
C. 
D. 
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A. 
B. 
C. 
D. 
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A. 69%, 145% B. 45%, 69% C. 45%, 31% D. 69%, 31%
Mathematics