Question: Problem 4 : A feedback control system has a characteristic equation: s 3 + ( 1 + k ) s 2 + 3 s +

Problem 4:
A feedback control system has a characteristic equation:
s3+(1+k)s2+3s+1+7k=0
Where k is a constant parameter. Determine the range of k for a stable system.
Problem 4 : A feedback control system has a

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