0 0 votes The impulse response of a system is $h(t)=t\;u(t)$. For an input $u(t-1),$ the output is $\frac{t^2}{2}u(t)$ $\frac{t(t-1)}{2}u(t-1)$ $\frac{(t-1)^2}{2}u(t-1)$ $\frac{t^2-1}{2}u(t-1)$ Signals and Systems gate2013-in signals-and-systems numerical-answers + – Milicevic3306 7.9k points answer 0 reply