Question: A system has the characteristic equation d ( s ) = s 3 + 4 K s 2 + ( 5 + K ) s

A system has the characteristic equation d(s)=s3+4Ks2+(5+K)s+10. The system is stable for
a.,K>0
b.K>0.46,0
c.K>0.46
A unity feedback system with the following loop transfer function, is marginally stable for
A system has the characteristic equation d ( s )

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