\[\left| \,\begin{matrix} 1 & 1 & 1 \\ 1 & {{\omega }^{2}} & \omega \\ 1 & \omega & {{\omega }^{2}} \\ \end{matrix}\, \right|=\] [RPET 2002]

\[\left| \,\begin{matrix} 1 & 1 & 1 \\ 1 & {{\omega }^{2}}

1.	\[\left\| \,\begin{matrix} 1 & 1 & 1 \\ 1 & {{\omega }^{2}} & \omega \\ 1 & \omega & {{\omega }^{2}} \\ \end{matrix}\, \right\|=\] [RPET 2002]
A.	\[3\sqrt{3}i\]
B.	\[-3\sqrt{3}i\]
C.	\[i\sqrt{3}\]
D.	3
Answer» B. \[-3\sqrt{3}i\]

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\[\left| \,\begin{matrix} 1 & 1 & 1 \\ 1 & {{\omega }^{2}} & \omega \\ 1 & \omega & {{\omega }^{2}} \\ \end{matrix}\, \right|=\] [RPET 2002]

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