Let \[\omega =-\frac{1}{2}+i\frac{\sqrt{3}}{2}\]. Then the value of the determinant \[\left| \,\begin{matrix} 1 & 1 & 1\\ 1 & -1-{{\omega }^{2}} & {{\omega }^{2}}\\ 1 & {{\omega }^{2}} & {{\omega }^{4}}\\ \end{matrix}\, \right|\]is [IIT Screening 2002]

Let \[\omega =-\frac{1}{2}+i\frac{\sqrt{3}}{2}\]. Then the value of th

1.	Let \[\omega =-\frac{1}{2}+i\frac{\sqrt{3}}{2}\]. Then the value of the determinant \[\left\| \,\begin{matrix} 1 & 1 & 1\\ 1 & -1-{{\omega }^{2}} & {{\omega }^{2}}\\ 1 & {{\omega }^{2}} & {{\omega }^{4}}\\ \end{matrix}\, \right\|\]is [IIT Screening 2002]
A.	\[3\omega \]
B.	\[3\omega (\omega -1)\]
C.	\[3{{\omega }^{2}}\]
D.	\[3\omega (1-\omega )\]
Answer» C. \[3{{\omega }^{2}}\]

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Let \[\omega =-\frac{1}{2}+i\frac{\sqrt{3}}{2}\]. Then the value of the determinant \[\left| \,\begin{matrix} 1 & 1 & 1\\ 1 & -1-{{\omega }^{2}} & {{\omega }^{2}}\\ 1 & {{\omega }^{2}} & {{\omega }^{4}}\\ \end{matrix}\, \right|\]is [IIT Screening 2002]

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