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y[n]=r^n x[n] is ________ system.

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in Signals and Systems by (1.2m points)
y[n]=r^n  x[n] is ________ system.

(a) LTI

(b) Time varying

(c) Linear and time invariant

(d) Causal and time invariant

I got this question in homework.

My enquiry is from Properties of Systems in division Signals and Systems Basics of Signals and Systems

1 Answer

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by (42.1k points)
Correct option is (b) Time varying

The best I can explain: The input-output relationship of the given system shows it does not satisfy the condition of time-invariant system. Hence it is time varying system.

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