0 votes 0 votes The input $x(t)$ and output $y(t)$ of a system are related as $y(t)=\int^{t}_{-\infty}x(\tau)\cos(3\tau)d\tau$. The system is time-invariant and stable stable and not time-invariant time-invariant and not stable not time-invariant and not stable Others gate2012-in + – Milicevic3306 asked Mar 25, 2018 • edited Nov 20, 2020 by soujanyareddy13 Milicevic3306 7.9k points answer See all 0 reply