If 3(a2+b2+c2) = (a+b+c)2, then the relation between a, b and c is – McqOptions

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1.	If 3(a2+b2+c2) = (a+b+c)2, then the relation between a, b and c is
A.	a=b≠c
B.	a≠b≠c
C.	a≠b=c
D.	a=b=c
Answer» E.

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