If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + – McqOptions

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1.	If a + b + c = 9 and ab + bc + ca = 18, then what is the value of a3 + b3 + c3 – 3abc ?
A.	189
B.	243
C.	361
D.	486
Answer» C. 361

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