Which of the following discrete-time signals could be eigenfunctions of any stable LTI system? (a) 5 n

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Which of the following discrete-time signals could be eigenfunctions of any stable LTI system?

(a) 5nu[n]

(b) ej2ωn

(c) ejωn + e j2ωn

(d) 5n

(e) 5n. ej2ωn

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Discrete Time Signal Processing

ISBN: 978-0137549207

2nd Edition

Authors: Alan V. Oppenheim, Rolan W. Schafer

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