If a = 7, b = 5 and c = 3, then the value of a2 + b2 + c2 ab bc ca is

If a = 7, b = 5 and c = 3, then the value of a2 + b2 + c2 ab bc

1.	If a = 7, b = 5 and c = 3, then the value of a² + b² + c² ab bc ca is
A.	12
B.	12
C.	0
D.	8
Answer» B. 12

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If a = 7, b = 5 and c = 3, then the value of a2 + b2 + c2 ab bc ca is

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If a = 7, b = 5 and c = 3, then the value of a² + b² + c² ab bc ca is