If x + y + z = 0, then the value of (x2 + y2 + z2) ÷ (z2 – xy) is� – McqOptions

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1.	If x + y + z = 0, then the value of (x2 + y2 + z2) ÷ (z2 – xy) is∶
A.	-1
B.	-2
C.	2
D.	1
Answer» D. 1

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