If (1/x) + (1/y) + (1/z) = 0 and x + y + z = 9, then what is the value – McqOptions

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1.	If (1/x) + (1/y) + (1/z) = 0 and x + y + z = 9, then what is the value of x3 + y3 + z3 – 3xyz?
A.	81
B.	361
C.	729
D.	6561
Answer» D. 6561

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