engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 Signals and Systems Linear Time Invariant Systems
Which of the following is a non-causal system?
1
y(t) = 2x(t) + dx(t)/dt
2
y(t) = x(t) – x(t – 1)
3
y(t) = t x(t)
4
y(t) = x(t) + 2 x(3 – t)
5
y(t) = x(t) – x(t - 3)