If x2 + y2 + z2 = xy + yz + zx, then what is the value of (7x + 3y – – McqOptions

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1.	If x2 + y2 + z2 = xy + yz + zx, then what is the value of (7x + 3y – 5z)/5x?
A.	0
B.	1
C.	5
D.	33/5
Answer» C. 5

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