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a. If x[n] X[Z], then show that (-1)"x[n] X[-z]. b. Use this result to show that (-y)"u[n] z/(z + y). c. Use these results to find the z-transform of i. [2"-1 - (-2)"-'1un] ii. y" cos Tnu[n]

a. If x[n] X[Z], then show that (-1)"x[n] X[-z]. b. Use this result to show that (-y)"u[n] z/(z + y). c. Use these results to find the z-transform of i. [2"-1 - (-2)"-'1un] ii. y" cos Tnu[n]

Introductory Circuit Analysis (13th Edition)
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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a. If x[n] X[Z], then show that (-1)"x[n] X[-z]. b. Use this result to show that (-y)"u[n] z/(z + y). c. Use these results to find the z-transform of i. [2"-1 - (-2)"-'1un] ii. y" cos Tnu[n]
Transcribed Image Text:a. If x[n] X[Z], then show that (-1)"x[n] X[-z]. b. Use this result to show that (-y)"u[n] z/(z + y). c. Use these results to find the z-transform of i. [2"-1 - (-2)"-'1un] ii. y" cos Tnu[n]
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