4 A. X(z) of -n7"u(-n-1) = 1+72-1 B. X(2) of -n7"u(-n-1)= -1 1-7z C. X(z) of -n7"u(-n-1)= D. X(z) of -n7"u(-n-1)= 5 S013- A. X(z) = B. X(z) = Which of the following is correct? C. X(z) = D. X(z) = (32-1)2 1-32-1 (32)-2 1-32-2 (3-¹z) 1-z-1 Which of the following is the expression for X(z)? 72-1 (1-72-1)2 72-1 (1-72-1)2 (1-z-1)² (3z-1)-3 Z-1 1+3z-1 + 6. SC A. |2|< 7 B. |z|>1/3 C. 3 < |z| <7 D. 1/7 < z <1/3 1+72-1 1 1-72-1 (1-72-1)2 What is the overall ROC?

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.16P
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Answer 6 Only
Part 2. Determine the z-transform and ROC of
x(n) = 3¹u(n − 2) - n7"u(-n-1)
Let x₁ (n) = 3"u(n - 2). What z-transform property is applicable?
1.
1
A. Linearity
B. Time shifting
C. Scaling
D. Folding
Let x₂ (n) = n7"u(-n − 1). What z-transform property is applicable?
2.
A. Convolution
B. Time shifting
C. Scaling
D. Differentiation
Which of the following is correct?
1
3.
A. X(z) of 3mu(m)
B. X(z) of 3mu(m)
C. X(z) of 3mu(m) =
D. X(z) of 3mu(m) =
=
=
1+3z-1
1
1-z-1
1
1-32-1
1
1+z-1
Transcribed Image Text:Part 2. Determine the z-transform and ROC of x(n) = 3¹u(n − 2) - n7"u(-n-1) Let x₁ (n) = 3"u(n - 2). What z-transform property is applicable? 1. 1 A. Linearity B. Time shifting C. Scaling D. Folding Let x₂ (n) = n7"u(-n − 1). What z-transform property is applicable? 2. A. Convolution B. Time shifting C. Scaling D. Differentiation Which of the following is correct? 1 3. A. X(z) of 3mu(m) B. X(z) of 3mu(m) C. X(z) of 3mu(m) = D. X(z) of 3mu(m) = = = 1+3z-1 1 1-z-1 1 1-32-1 1 1+z-1
4
A. X(z) of -n7"u(-n-1) = 1+72-1
B. X(2) of -n7"u(-n-1)=
-1
1-7z
C. X(z) of -n7"u(-n-1)=
-1
1+72-1
1
D. X(z) of -n7"u(-n-1)=
1-72-1
5 SOL
A. X(z) =
B. X(z) =
Which of the following is correct?
C. X(z) =
D. X(z) =
(32-1)2
1-32-1
(32)-2
1-32-2
(3-¹z)
1-z-1
Which of the following is the expression for X(z)?
72-1
(1-72-1)2
72-1
(3z-1)-3
1+3z-1
(1-72-1)2
(1-z-1)²
+
6. SC
A. |2|< 7
B. |z|>1/3
C. 3<|z| <7
D. 1/7 < z <1/3
(1-72-1)²
What is the overall ROC?
Transcribed Image Text:4 A. X(z) of -n7"u(-n-1) = 1+72-1 B. X(2) of -n7"u(-n-1)= -1 1-7z C. X(z) of -n7"u(-n-1)= -1 1+72-1 1 D. X(z) of -n7"u(-n-1)= 1-72-1 5 SOL A. X(z) = B. X(z) = Which of the following is correct? C. X(z) = D. X(z) = (32-1)2 1-32-1 (32)-2 1-32-2 (3-¹z) 1-z-1 Which of the following is the expression for X(z)? 72-1 (1-72-1)2 72-1 (3z-1)-3 1+3z-1 (1-72-1)2 (1-z-1)² + 6. SC A. |2|< 7 B. |z|>1/3 C. 3<|z| <7 D. 1/7 < z <1/3 (1-72-1)² What is the overall ROC?
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