If 9a2 + 4b2 + c2 + 21 = 4(3a + b – 2c), then the value of (9a + 4b – McqOptions

MCQOPTIONS

1.	If 9a2 + 4b2 + c2 + 21 = 4(3a + b – 2c), then the value of (9a + 4b – c) is∶
A.	2
B.	6
C.	16
D.	12
Answer» E.

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