If a2 + b2 + c2 + 3 = 2 (a + b + c) then the value of (a + b + c) is

1.	If a² + b² + c² + 3 = 2 (a + b + c) then the value of (a + b + c) is
A.	2
B.	3
C.	4
D.	5
Answer» C. 4

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If a2 + b2 + c2 + 3 = 2 (a + b + c) then the value of (a + b + c) is

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If a² + b² + c² + 3 = 2 (a + b + c) then the value of (a + b + c) is