3 Determine the :-transforms and sketch the ROC of the following signals IG. n20 (a) x1(n) = %3D n < 0 (b) x2(n) =)" – 2", n>0 0, n<0 (c) x3(n) = x1(n+4) %3D

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3 Determine the :-transforms and sketch the ROC of the following signals.
n20
(u)lx (8)
l", n< 0
(а) х1(п) %3D
()" – 2". n20
0,
(b) x2(n) =
n <0
(c) x3(n) = x1 (n+ 4)
(d) x4(n) = x1(-n)
Transcribed Image Text:3 Determine the :-transforms and sketch the ROC of the following signals. n20 (u)lx (8) l", n< 0 (а) х1(п) %3D ()" – 2". n20 0, (b) x2(n) = n <0 (c) x3(n) = x1 (n+ 4) (d) x4(n) = x1(-n)
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