If a2 + 4b2 + 49c2 + 18 = 2 (2b + 28c – a), then the value of (3a + – McqOptions

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1.	If a2 + 4b2 + 49c2 + 18 = 2 (2b + 28c – a), then the value of (3a + 2b + 7c) is:
A.	1
B.	0
C.	2
D.	3
Answer» D. 3

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