Consider the system of Figure P4.25, with h(t) = e–αtu(t).Figure(a) For what values of a w...

Consider the system of Figure P4.25, with h(t) = e–αtu(t).

Figure

(a) For what values of a will the system be BIBO stable?

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(b) Assume that the system is BIBO stable. The input signal is x(t) = sin t + cos 3t. Find y(t).