" The open-loop transfer function of a unity feedback system is K/(s^2 (s+5))The system is unstable for"

" The open-loop transfer function of a unity feedback system is K/(s^2

1.	" The open-loop transfer function of a unity feedback system is K/(s^2 (s+5))The system is unstable for"
A.	" K>5"
B.	" K<5"
C.	" K>0"
D.	" All of the mentioned"
Answer» E.