1.

If 1, ω, ω2 are cube roots of unity then the value of Δ = \(\begin{bmatrix} 1 &\omega & \omega^{2n} \\ \omega^2 & \omega^{2n} & 1 \\ \omega^{2n}& 1 & \omega^{n} \end{bmatrix} \)

A. 1
B. 0
C. ω
D. ω2
Answer» C. ω


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