If x4 + x2y2 + y4 = 37 and x2 – xy + y2 = 5, then what is the value – McqOptions

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1.	If x4 + x2y2 + y4 = 37 and x2 – xy + y2 = 5, then what is the value of xy?
A.	1.2
B.	0
C.	-1
D.	-1.2
Answer» B. 0

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