Question: ( b ) The impulse response of a linear time - invariant ( LTI ) system is h ( t ) = e - t

(b) The impulse response of a linear time-invariant (LTI) system is h(t)=e-t[u(t-3)-u(t-5)]. Without actually determining the expression for the frequency response, obtain the value of the DC gain of the system.
( b ) The impulse response of a linear time -

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