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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 | |