NIVERS 225) Given that x(n) is the system input and y (n) is the system output, whi f the following systems are causal? (a) y(n) = x²(n) u(n) (b) y(n) = x(\n|) (c) y(n) = x(n) + x(n – 3) + x(n - 10) %3D %3D

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Q25) Given that x(n) is the system input and y (n) is the system output, which
of the following systems are causal?
(a) y(n) = x²(n) u(n)
(b) y(n) = x(In|)
(0) у(п) — x(п) + x(п —3) + x(п - 10)
(d) y(n) = x(n)- x (n² -n)
(e) y(n) = -1 x(n - k)
() y(n) = Ef=n x(n – k)
VERSIT
%3D
k%3D1
100
%3D
Transcribed Image Text:Q25) Given that x(n) is the system input and y (n) is the system output, which of the following systems are causal? (a) y(n) = x²(n) u(n) (b) y(n) = x(In|) (0) у(п) — x(п) + x(п —3) + x(п - 10) (d) y(n) = x(n)- x (n² -n) (e) y(n) = -1 x(n - k) () y(n) = Ef=n x(n – k) VERSIT %3D k%3D1 100 %3D
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