10. Consider an LTI feedback system with system model P PS 1+s a) Write the closed loop LTI with transfer function H_infinity norm to be minimized. b) What would be the minimum possible H-infinity norm of the closed loop system? 10. Consider an LTI feedback system with system model P PS 1+s a) Write the closed loop LTI with transfer function H_infinity norm to be minimized. b) What would be the minimum possible H-infinity norm of the closed loop system