CLOSED-LOOP POLES OF FIRST-ORDER SYSTEM 1 Τ 1 ൗ 2 1 ൗ 2 ▪ = − + 2 + ▪ Taking Laplace inverse, 1 1 1 − = − + 2 2 ▪ The sketch c(t) and r(t) is shown below. Take T=1 for plotting c(t) 67