The characteristic equation is s3+14s2+(45+K)s+K =0, centroid is located at (-x,0) then the value of x is ____________

The characteristic equation is s3+14s2+(45+K)s+K =0, centroid is loca

1.	The characteristic equation is s3+14s2+(45+K)s+K =0, centroid is located at (-x,0) then the value of x is ____________
A.	1
B.	2
C.	3
D.	4
Answer» C. 3

The characteristic equation is s3+14s2+(45+K)s+K =0, centroid is located at (-x,0) then the value of x is ____________
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THE_OLTF_OF_A_UNITY_FEEDBACK_SYSTEM_IS_K(S+2)(S+4)/(S+5)(S+6)_THE_ANGLE_OF_ARRIVAL_OF_THE_ROOT_LOCI_AS_S_=-2,_AND_S_=-4_RESPECTIVELY_ARE:?$
The_characteristic_equation_is_s<sup>3</sup>+14s<sup>2</sup>+(45+K)s+K_=0,_centroid_is_located_at_(-x,0)_then_the_value_of_x_is_____________$