If a + b + c = 9 (where a, b, c are real numbers), then the minimum va – McqOptions

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1.	If a + b + c = 9 (where a, b, c are real numbers), then the minimum value of a² + b²+ c² is :
A.	9
B.	27
C.	81
D.	100
Answer» C. 81

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