Question: Let = c i s ( 2 / n ) beaprimitive n throotofunity.Provethatthematrices A = ( 0 0 1 ) and B = ( 0

Let=cis(2/n)beaprimitiventhrootofunity.Provethatthematrices

A=(001)andB=(0110)

A=\left( \begin{array}{cc}{\omega} & {0} \\ {0} & {\omega^{-1}}\end{array} ight) \quad \text { and } \quad B=\left( \begin{array}{cc}{0} & {1} \\ {1} & {0}\end{array} ight)

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