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3)If X(z)= 2²-0-5z z²+0-75z+ b) X(n) = [4"-3"]u(n) c)) X(n) = [4¹-3"]u(n) . † 4) If X(2)(z-30)(2-40) the IZT-a) X(n)=(30)"u(n) + (40)"u(n) b) X(n)=(30)u(n)-(40)"u(n) c) X(n) = 31 (30)"u(n) + +(40) "u(n) 10 10 10 10 the IZT-a) X(n) = [4"-3"]u(n) .

3)If X(z)= 2²-0-5z z²+0-75z+ b) X(n) = [4"-3"]u(n) c)) X(n) = [4¹-3"]u(n) . † 4) If X(2)(z-30)(2-40) the IZT-a) X(n)=(30)"u(n) + (40)"u(n) b) X(n)=(30)u(n)-(40)"u(n) c) X(n) = 31 (30)"u(n) + +(40) "u(n) 10 10 10 10 the IZT-a) X(n) = [4"-3"]u(n) .

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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2) If X(n) = 10 sin(0.2mn) u(n), then Z-transform - 7-072 z 7-072 a) b) 2²-1-4142+7 2²-1-4142+1 2²-1-4142+1 z²-0-5z 3)If X(z)= the IZT = a) X(n) = [4(¯)" − 3(⇒)"]u(n) 1 z²+0-75z+ b) X(n) = [4" - 3)"]u(n) c) ) X(n) = [4"-3"]u(n) 4) If X(z)= z(z-1) (z-30)(z-40) the IZT-a) X (n) = (30) "u(n) + (40)"u(n) . 31 b) X(n) = (30)"u(n)-(40)¹u(n) c) X(n) = 3¹ (30)"u(n) + (40)”u(n) 10 10 10 10
Transcribed Image Text:2) If X(n) = 10 sin(0.2mn) u(n), then Z-transform - 7-072 z 7-072 a) b) 2²-1-4142+7 2²-1-4142+1 2²-1-4142+1 z²-0-5z 3)If X(z)= the IZT = a) X(n) = [4(¯)" − 3(⇒)"]u(n) 1 z²+0-75z+ b) X(n) = [4" - 3)"]u(n) c) ) X(n) = [4"-3"]u(n) 4) If X(z)= z(z-1) (z-30)(z-40) the IZT-a) X (n) = (30) "u(n) + (40)"u(n) . 31 b) X(n) = (30)"u(n)-(40)¹u(n) c) X(n) = 3¹ (30)"u(n) + (40)”u(n) 10 10 10 10
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