ntSolven nt3x(x+y-2) = 2yn nty(x+y-1) = 9xn

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Q. A second order discrete time system is characterized by the difference equation,

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Q. If

∣ ∣ ∣ ∣ ∣ \begin{matrix} x^{n} & x^{n + 2} & x^{n + 4} y^{n} & y^{n + 2} & y^{n + 4} z^{n} & z^{n + 2} & z^{n + 4} \end{matrix} ∣ ∣ ∣ ∣ ∣ = (\frac{1}{y^{2}} - \frac{1}{x^{2}}) (\frac{1}{z^{2}} - \frac{1}{y^{2}}) (\frac{1}{x^{2}} - \frac{1}{z^{2}})

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