Electronics and Communication Engineering - Exam Questions Papers - Discussion


A continuous time LTI system is described by

Assuming zero initial conditions, the response y(t) of the above system for the input x(t) = e-2t u(t) is given by

[A]. (et - e3t) u(t)
[B]. (e-t - 3e-3t) u(t)
[C]. (e-t + e-3t) u(t)
[D]. (et + e3t) u(t)

Answer: Option B


y(t) = (e-t - e-3t) u(t).

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