Question: E9.24 A unity feedback system has a loop transfer function where K = 0.4 and t = 1. The Nyquist plot for Gc1jv2G1jv2 is shown
E9.24 A unity feedback system has a loop transfer function
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where K = 0.4 and t = 1. The Nyquist plot for Gc1jv2G1jv2 is shown in Figure E9.24. Determine whether the system is stable by using the Nyquist criterion.

K L(s) = Ge(s)G(s) (-1+75)
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