Given x[n] = a¹u[n] ←→ X(ej") = = 1-ae-J Then the DTFT of x[n] = (2-"-3")u[n] is Select one: O X(ej): = X(ejo): = 1-e-j 1 O X(ej) = 1-2e-Jeu - jos O None of the mentioned O X(ejo) = 1-e- 1 1 1-3e-jo 1-e-ja

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Given x[n] = a" u[n] →→
X(ej) =
1-ae-Jo
Then the DTFT of x[n] = (2-"-3")u[n] is
Select one:
O X(e) =
=
O
O
O
X(eo) =
X(ej) =
1
1-te-jo
1
1-e-
1
1-2e-jou
-
Ze-jw
None of the mentioned
X(ejo) =
1
1-e-jo
1-e-J
1
1-3e-jo
1
Transcribed Image Text:Given x[n] = a" u[n] →→ X(ej) = 1-ae-Jo Then the DTFT of x[n] = (2-"-3")u[n] is Select one: O X(e) = = O O O X(eo) = X(ej) = 1 1-te-jo 1 1-e- 1 1-2e-jou - Ze-jw None of the mentioned X(ejo) = 1 1-e-jo 1-e-J 1 1-3e-jo 1
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