If a + b + c = 7 and a3 + b3 + c3 - 3abc = 175, then what is the value – McqOptions

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1.	If a + b + c = 7 and a3 + b3 + c3 - 3abc = 175, then what is the value of (ab + bc + ca)?
A.	8
B.	7
C.	6
D.	9
Answer» B. 7

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