0 votes 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 $0 < K < 6$ $0 < K < 16$ $6 < K < 36$ $6 < K < 16$ new gate2017-ee-2 + – Arjun asked Feb 26, 2017 edited Nov 18, 2019 by go_editor Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.