2- unity feedback control system is shown below where 35 : (s)ی 1 s(s+25+5) K K G(s) clt) rit) find the closed-loop tran

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2- unity feedback control system is shown below where 35 : (s)ی 1 s(s+25+5) K K G(s) clt) rit) find the closed-loop transfer function Hea(s) : C's) R(3) error clt) ii) find the roots of the characteristic polynonial pls)" if the gain is equal to four "K=4" and find the dominant closed loop poles, - ii) For K=4 and r(t) = ult) then find the expression for the output and find the steady-state © iv) Based on the dominant closed-loop poles for K=4 K decide whether the closed-loop system exhibits underdamped characteristics and find the delay time rise time peak time, overshoot and the settling time in 2% criterion, the 2 maximum v) Based O 5 determine the results in the Routh's stability Criterion tability Criterion decide the range of 'k such that K such that the system the system is absolutely stable and gain 'K" which critically stable" closed loop system. obtain the Root Loews for OEK Loo by following each steps given Ogata's book. (fud the asyapto tes intersection point of asymptotes find the angle of departure from the complex poles ) vi) 15 the real axis