The characteristic equation of a control system is given as s4 + 4s3 + 4s2 + 3s + K = 0
What is the value of K for which this system is marginally stable?
A. $$\frac{9}{{16}}$$
B. $$\frac{{19}}{{16}}$$
C. $$\frac{{29}}{{16}}$$
D. $$\frac{{39}}{{16}}$$
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Control Systems
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