Detrmine whether the f is a proper rational function

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Reference no: EM13278710

Sometimes the partial fraction expansion is not neede in finding the inverse Z-transform -instead the properties of the transform can be used. Consider the function
F(z)= (z+1)/z^2*(z-1)
Detrmine whether the F(z) is a proper rational function as a function of z and of z^-1.

Reference no: EM13278710

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