If a2 + b2 + c2 = 2(a - b - c) -3, then the value of a + b + c is? – McqOptions

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

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