You can use either MATLAB/Simulink Scope plots to show the results. The plots should have xand y labels to identify the physical variables.1.The DC gain and characteristic root locations are given for three different stable second-order LTI systems. In each case derive the corresponding transfer function and determine the time to reach steady state. a. r1 = −2,r2 = −0.2, DC gain=1.2c. r1,2 = −0.4 ± j1.6, DC gain=0.02