One of the eigen values of the matrix eA is eα, where \(A=\left(\begin{array}{ccc} \alpha & 0 & 0 \\ 0 & 0 & -i \alpha \\ 0 & \mathrm{i} \alpha & 0 \end{array}\right)\), the product of the other two eigen values is
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1
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ea
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e2a
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e–a
One of the eigen values of the matrix eA is eα, where \(A=\left(\begin{array}{ccc} \alpha & 0 & 0 \\ 0 & 0 & -i \alpha \\ 0 & \mathrm{i} \alpha & 0 \end{array}\right)\), the product of the other two eigen values is