Question: table [ [ 3 , ( a ) Tentukan bentuk x ( n ) dari persamaan x ( Z ) di bawah ini apabila

\table[[3,(a) Tentukan bentuk x(n) dari persamaan x(Z) di bawah ini apabila diketahui ROC : Find x(n) from]]x(z) below if the ROC: |z|>2
x(Z)=1+2Z-1+Z-21-32Z-1+12Z-2
(b) Cek apakah sistem LTI dengan fungsi sistem di bawah ini stabil (check whether the LTI system below is stable or not)
H(Z)=-1-0.4Z-11-2.8Z-1+1.6Z-2
Jika ROC: (i)|z|>2,(ii)|z|0.8,(iii)0.8|z|2
\ table [ [ 3 , ( a ) Tentukan bentuk x ( n )

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