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Unformatted text preview: [ n-1]-1 6 y [ n-2] + x [ n ] , when x [ n ] = [ n ]-1 3 [ n-1] (b) y [ n ] = 2 . 5 y [ n-1]-y [ n-2] + x [ n ]-5 x [ n-1] + 6 x [ n-2] , when x [ n ] = [ n ] (c) y [ n ] = 1 2 y [ n-1]-1 4 y [ n-2] + x [ n ] , when x [ n ] = [ n-1] (d) y [ n ] =-y [ n-2] + x [ n ] , when x [ n ] = 5 [ n-2] 1 4. (10 Points) Consider the causal system dened by the pole-zero pat-tern provided below. Figure 1 Pole-zero pattern (a) Determine the systems function ( H ( z )). (b) Determine the stability of the systems with reason(s). 2...
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