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For the following system, find the frequency and gain K for which the root locus crosses the imaginary axis. For what range of K

For the following system, find the frequency and gain K for which the root locus crosses the imaginary axis.

For the following system, find the frequency and gain K for which the root locus crosses the imaginary axis. For what range of K is the system stable? R(s) + K(s + 3) s(s + 1)(s + 2)(s + 4) C(s)

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The system shown in the figure is a unity feedback system with a forward transfer function of Ks3ss1s2s4 The characteristic equation of the closedloop ... blur-text-image

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