Determine the z-transform of the sequence x[n] = (-)" cos(³)u[n] a. √2 1+42¹ ROC: |Z| > -1 Z + O b. ROC: |Z| > C. -, ROC: |z|>-/ , ROC: |z| >=1/2 ROC: |Z| > , ROC: |z|>-/ d. e. O f. 1+ 1+ 1+ √2 -1 Z + 1 + √2²%-1 1 + 2 √2 -1 2 + 1-1/2-1 √2 -1 Z + 2 1+ Z 1 1+ 1 ~S √2 -1 22 1-1/2-¹ + -2 -2 -2 -2 -1 + 1/2-2 I I
Determine the z-transform of the sequence x[n] = (-)" cos(³)u[n] a. √2 1+42¹ ROC: |Z| > -1 Z + O b. ROC: |Z| > C. -, ROC: |z|>-/ , ROC: |z| >=1/2 ROC: |Z| > , ROC: |z|>-/ d. e. O f. 1+ 1+ 1+ √2 -1 Z + 1 + √2²%-1 1 + 2 √2 -1 2 + 1-1/2-1 √2 -1 Z + 2 1+ Z 1 1+ 1 ~S √2 -1 22 1-1/2-¹ + -2 -2 -2 -2 -1 + 1/2-2 I I
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Determine the z-transform of the sequence
![Determine the z-transform of the sequence x[n] = (-)" cos(³)u[n]
a.
√2
1+ Z
ROC: |Z| >
-1
Z +
O b.
ROC: |Z| >
C.
-, ROC: |z|>-/
, ROC: |z| >=1/2
ROC: |Z| >
, ROC: |z|>-/
d.
e.
O f.
1+
1+
1+
√2
-1
Z +
1 + √2²%-1
1 + 2
√2
-1
2
+
1-1/2-1
√2
-1
Z
+
2
1+ Z
1
1+
1
~S
√2 -1
22
1-1/2-¹
+
-2
-2
-2
-2
-1
+ 1/2-2
I
I](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F29afb542-cc51-47a6-bbab-4e59d0a7e24b%2F60fd75e2-277d-4ab8-910d-19dfc816b373%2Fubi2y37_processed.png&w=3840&q=75)
Transcribed Image Text:Determine the z-transform of the sequence x[n] = (-)" cos(³)u[n]
a.
√2
1+ Z
ROC: |Z| >
-1
Z +
O b.
ROC: |Z| >
C.
-, ROC: |z|>-/
, ROC: |z| >=1/2
ROC: |Z| >
, ROC: |z|>-/
d.
e.
O f.
1+
1+
1+
√2
-1
Z +
1 + √2²%-1
1 + 2
√2
-1
2
+
1-1/2-1
√2
-1
Z
+
2
1+ Z
1
1+
1
~S
√2 -1
22
1-1/2-¹
+
-2
-2
-2
-2
-1
+ 1/2-2
I
I
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