Root locus of s(s+2)+K(s+4) =0 is a circle. What are the coordinates of the center of this circle?

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Mr. Dubey

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Q. Root locus of s(s+2)+K(s+4) =0 is a circle. What are the coordinates of the center of this circle?

(A) -2,0
(B) -3,0
(C) -4,0
(D) -5,0

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✅ Correct Answer: (C) -4,0

Explanation: s(s+2)+k(s+4) =0

Explanation by: Mr. Dubey

s(s+2)+k(s+4) =0

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