If the value of the determinant \[\left| \begin{matrix} a & 1 & 1 \\ 1 & b & 1 \\ 1 & 1 & c \\ \end{matrix} \right|\] is positive, where \[a\ne b\ne c,\] then the value of abc

If the value of the determinant \[\left| \begin{matrix} a & 1 & 1 \\

1.	If the value of the determinant \[\left\| \begin{matrix} a & 1 & 1 \\ 1 & b & 1 \\ 1 & 1 & c \\ \end{matrix} \right\|\] is positive, where \[a\ne b\ne c,\] then the value of abc
A.	Cannot be less than 1
B.	Is greater than \[-8\]
C.	Is less than \[-8\]
D.	Must be greater than 8
Answer» C. Is less than \[-8\]

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If the value of the determinant \[\left| \begin{matrix} a & 1 & 1 \\ 1 & b & 1 \\ 1 & 1 & c \\ \end{matrix} \right|\] is positive, where \[a\ne b\ne c,\] then the value of abc

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