6) A stable causal system is described by H(z), shown below. H(z) 8 7 = + 1 Z 2+ 4 a) Determine the ROC. b) Determine an expression for h(n). Show your work!

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6)
A stable causal system is described by H(z), shown below.
H(z)
8
7
=
+
1
Z
2+
4
a) Determine the ROC.
b) Determine an expression for h(n). Show your work!
Transcribed Image Text:6) A stable causal system is described by H(z), shown below. H(z) 8 7 = + 1 Z 2+ 4 a) Determine the ROC. b) Determine an expression for h(n). Show your work!
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