If x−a2b+cx−a2b+c + x−b2c+ax−b2c+a + x−c2a+bx−c2a+b = 4(a – McqOptions

MCQOPTIONS

1.	If x−a2b+cx−a2b+c + x−b2c+ax−b2c+a + x−c2a+bx−c2a+b = 4(a + b + c), then x = ?
A.	(a + b + c)2
B.	a2 + b2 + c2
C.	ab + bc + ca
D.	a2 + b2 + c2 - ab - bc - ca
Answer» B. a2 + b2 + c2

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