A closed-loop control system has a characteristic equation given by s(s2 + s + 1)(s + 4) + k = 0. For which of the following ranges of k is the system stable?

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Mathematics · Control Systems

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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The system is stable for values of k between 0 and 3.36.

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Answer 1

The system is stable for all positive values of k.

Answer 2

The system is unstable for all values of k.

Answer 3

The system is stable for values of k between 0 and 3.36.

Answer 4

The system is stable for values of k between 1.60 and 2.45.

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