0 0 votes The range of $K$ for which all the roots of the equation $s^{3}+3s^{2}+2s+K=0$ are in the left half of the complex $s$-plane is$0 < K < 6$$0 < K < 16$$6 < K < 36$$6 < K < 16$ Analytical Aptitude gate2017-ee-2 analytical-aptitude + – Arjun 255 views answer comment Share Follow 0 reply Please log in or register to add a comment.