A unity negative feedback system has the open-loop transfer function: K(s+1) s² + s +1 What value of the gain K corresponds to the break-in point on the root-locus? G(s) = a. 1 b. 2 Oc. 3 Od. 2.5 None f. 3.5 Og. 1.5

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A unity negative feedback system has the open-loop transfer function:(NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE)

A unity negative feedback system has the open-loop transfer function:
K(s+1)
s² +s+1
What value of the gain K corresponds to the break-in point on the root-locus?
G(s) =
a. 1
b. 2
Oc. 3
d. 2.5
None
f. 3.5
Og. 1.5
Transcribed Image Text:A unity negative feedback system has the open-loop transfer function: K(s+1) s² +s+1 What value of the gain K corresponds to the break-in point on the root-locus? G(s) = a. 1 b. 2 Oc. 3 d. 2.5 None f. 3.5 Og. 1.5
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