If the characteristic equation of a system is 3 + 14s2 + 56s + K = 0, then it will be stable only if

If the characteristic equation of a system is 3 + 14s2 + 56s + K = 0,

1.	If the characteristic equation of a system is 3 + 14s2 + 56s + K = 0, then it will be stable only if
A.	0 < K < 784
B.	1 < K < 64
C.	10 > K > 660
D.	4 < K < 784
Answer» B. 1 < K < 64

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If the characteristic equation of a system is 3 + 14s2 + 56s + K = 0, then it will be stable only if

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