If a + b + c = 15 and a2 + b2 + c2 = 83, then a3 + b3 + c3 3abc = ?

1.	If a + b + c = 15 and a² + b² + c² = 83, then a³ + b³ + c³ 3abc = ?
A.	160
B.	175
C.	180
D.	100
Answer» D. 100

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If a + b + c = 15 and a2 + b2 + c2 = 83, then a3 + b3 + c3 3abc = ?

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If a + b + c = 15 and a² + b² + c² = 83, then a³ + b³ + c³ 3abc = ?