1 votes 1 votes Output of a linear system with input $x(t)$ is given by \[y(t)=\int_{-\infty}^{\infty} h(t, \tau) x(\tau)+1.\] The system is linear if $h(t, \tau)=h(t-\tau)$ $h(t, \tau)=h(\tau)$ $h(t, \tau)=h(t)$ $h(t, \tau)=$ constant None of the above. Others tifr2011 + – admin asked Dec 5, 2022 • edited Jan 17, 2023 by Lakshman Bhaiya admin 46.4k points 99 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.