The element a23 in the matrix A=⎡⎢⎣1ωω2ω1ω2ω2ω1⎤⎥⎦ – InterviewSolution

1.	The element a23 in the matrix A=⎡⎢⎣1ωω2ω1ω2ω2ω1⎤⎥⎦ is, (where ω and ω2 are cube roots of unity)
Answer» The element $a_{23}$ in the matrix $A = {⎡ ⎢ ⎣ \begin{matrix} 1 & ω & ω^{2} ω & 1 & ω^{2} ω^{2} & ω & 1 \end{matrix} ⎤ ⎥ ⎦}$ is, (where $ω$ and $ω^{2}$ are cube roots of unity)

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