Question: The open loop transfer function of a unity feedback system is given G ( s ) = K / s ( sT + I )

The open loop transfer function of a unity feedback system is given G(s)= K/s(sT+I), where K and
T are positive constants. By what factor should the amplifier gain K be reduced so that the peak
overshoot of of unit step response of the system is reduced from 75% to 25%.(20 M)

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