If (x - y)2 + (y - 2)2 + (z - 9)2 = 0, then the value of (x + y - z) i – McqOptions

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1.	If (x - y)2 + (y - 2)2 + (z - 9)2 = 0, then the value of (x + y - z) is?
A.	16
B.	-1
C.	-2
D.	12
Answer» B. -1

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