Which among these are linear AND time invariant? O a. y[n] = ay[n – 1] + a[n]O b. y(t) = x(2t + 1)O c. y[n] = nx[n]O d. y(t) = ax(t) + b

from the options option b and option d are time invariant

Answered: O a. y[n] = ay[n – 1] + a[n] O b. y(t)…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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O a. y[n] = ay[n – 1] + a[n] O b. y(t) = x(2t + 1) O c. y[n] = nx[n] O d. y(t) = ax(t) +b