If 5x2 + y2 + z2 + 5 = 2x (y + 2) + 4z, then the value of (4x + 2y - z – McqOptions

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1.	If 5x2 + y2 + z2 + 5 = 2x (y + 2) + 4z, then the value of (4x + 2y - z) is:
A.	0
B.	\(\frac{{ - 1}}{2}\)
C.	\(\frac{1}{2}\)
D.	1
Answer» E.

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