Q116
The characteristic equation of a certain feedback control system is given by s4 + 4s3 + 13s2 + 36s + k = 0. The range of values of k for which the feedback system is stable, is given by:
A.
0 < k < 4
B.
4 < k < 36
C.
0 < k < 36
AnswerD.
13 < k < 36
Answer: Option C
Solution
Answer: Option C
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