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PreviousThe open-loop transfer function of a unity feedback system is given by G(s) = \frac{k}{s(1 + sT)} where k and T are positive constants. By what factor should the amplifier gain be reduced so that the peak overshoot of the unit-step response of the system is reduced from 75\% to 25\%.NextConsider a closed-loop system with an open-loop transfer function G(s)H(s) = \frac{10(s + 0.5)}{s^2(s + 2)(s + 10)} Apply the Nyquist stability criterion to determine the closed-loop stability of the system.