If (a 1)2 + (b + 2)2 + (c + 1)2 = 0, then the value of 2a 3b + 7c is

If (a 1)2 + (b + 2)2 + (c + 1)2 = 0, then the value of 2a 3b + 7c

1.	If (a 1)² + (b + 2)² + (c + 1)² = 0, then the value of 2a 3b + 7c is
A.	12
B.	3
C.	11
D.	1
Answer» E.

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If (a 1)2 + (b + 2)2 + (c + 1)2 = 0, then the value of 2a 3b + 7c is

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If (a 1)² + (b + 2)² + (c + 1)² = 0, then the value of 2a 3b + 7c is