The characteristic equation of a feedback control system iss4 + s3 + 2 – McqOptions

MCQOPTIONS

1.	The characteristic equation of a feedback control system iss4 + s3 + 2s2 + 4s + 15 = 0The number of roots in the right half of the s-plane is
A.	4
B.	3
C.	2
D.	1
Answer» D. 1

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