## Question

# 2. Determine the following inverse z-transforms using partial fraction expansion method. a. The sequence is right sided (causal). 1 z 14z 2 + 4z-3

2. Determine the following inverse z-transforms using partial fraction expansion method. a. The sequence is right sided (causal). 1 z 14z 2 + 4z-3 X(z) = 11 1 Z-1 13 + 2-2 8 1 -3 4Z b. The sequence is absolutely summable, i.e. system is stable. 1+z 14z- + 4z-3 X2(z) == 11 13 1 -1 Z + Z -2 4 8 - 1 Z 4 C. The sequence is left sided (anti-causal). z33z2+4z +1 z34z2z- 0.16 X3(z) = d. ROC; |z|> 1 X4(z) = z32z+1.25z + 0.25 Hint: Use residuez. Submission: x[n] for each of the above system. -3

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