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Bachelor of Arts in Economics (BA Econom...
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Mathematical Tools for Economics 1
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If x + y = 3, x2 + y2 = 5 then xy is
Q.
If x + y = 3, x2 + y2 = 5 then xy is
A.
1
B.
3
C.
2
D.
5
Answer» C. 2
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