Q2// choose the correct answer : 3z 1) If x(n) = (0-3)"u(n) ,then Z-transform= a)x(z)= 2-0-3 b)x(z) = C) x(z) = Z-0-3 2-0-3
Q2// choose the correct answer : 3z 1) If x(n) = (0-3)"u(n) ,then Z-transform= a)x(z)= 2-0-3 b)x(z) = C) x(z) = Z-0-3 2-0-3
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
![Q2// choose the correct answer :
3z
1) If x(n) = (0-3)^u(n) ,then Z-transform = a)x(z)= b)x(z) = C) x(z)
Z-0.3
Z-0-3
Z-0-3
2) If X(n) = 10 sin(0 2mn) u(n), then Z-transform
=
7-072
a)
b)
c)
7-072
2²-1-4142+1
2²-1-4142+7
z²-1-4142+1
z²-0-5z
3)If X(z)==
the IZT = a) X(n) = [4¹¹ – 3)¹]u(n)
-
9
2²+0-75z+
b) X(n) = [43¹]u(n)
c)) X(n) = [4"-3"]u(n)
4) If X(z)=
z(z-1)
(z-30)(2-40)
the IZT-a) X (n) =
(30) "u(n) + (40)u(n)
10
10
31
-31
b) X(n) = (30)¹u(n)-(40)"u(n)
c) X(n) = 3¹ (30) "u(n) + (40)"u(n)
10
10
10
10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcac68370-8a6e-4050-85bf-e2629c42ca5b%2F6cc5950d-09ab-4800-8d9c-89f298843106%2Fw8kqef_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2// choose the correct answer :
3z
1) If x(n) = (0-3)^u(n) ,then Z-transform = a)x(z)= b)x(z) = C) x(z)
Z-0.3
Z-0-3
Z-0-3
2) If X(n) = 10 sin(0 2mn) u(n), then Z-transform
=
7-072
a)
b)
c)
7-072
2²-1-4142+1
2²-1-4142+7
z²-1-4142+1
z²-0-5z
3)If X(z)==
the IZT = a) X(n) = [4¹¹ – 3)¹]u(n)
-
9
2²+0-75z+
b) X(n) = [43¹]u(n)
c)) X(n) = [4"-3"]u(n)
4) If X(z)=
z(z-1)
(z-30)(2-40)
the IZT-a) X (n) =
(30) "u(n) + (40)u(n)
10
10
31
-31
b) X(n) = (30)¹u(n)-(40)"u(n)
c) X(n) = 3¹ (30) "u(n) + (40)"u(n)
10
10
10
10
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