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

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

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» B. a = b c