If a + b + c = 19, ab + bc + ca = 120, then what is the value of a3 + – McqOptions

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1.	If a + b + c = 19, ab + bc + ca = 120, then what is the value of a3 + b3 + c3 – 3abc?
A.	31
B.	23
C.	19
D.	18
Answer» D. 18

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