Electronics and Communication Engineering - Exam Questions Papers - Discussion

4. 

For the system with given characteristic equation
s5 + 4s4 + 8s3 + 8s2 + 7s + 4 = 0
The number of roots on left hand side, right hand side and imaginary axis are respectively.

[A]. 3, 2, 0
[B]. 4, 0, 1
[C]. 3, 0, 2
[D]. 4, 1, 0

Answer: Option D

Explanation:

Apply Routh Hurwitz criteria.


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