Question: The Z - transform of a sequence x n is x ( z ) = z 2 + 2 z - 3 ( z -

The Z-transform of a sequence xn is
x(z)=z2+2z-3(z-0.2)(z-0.3)(z-0.4)
Derive the expression for the sequence xn.
The Z - transform of a sequence x n is x ( z ) =

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