A closed loop system has the characteristic equation given by s 3 + Ks 2 + (K + 2)s + 3 = 0. For this system to be stable, which one of the following conditions should be satisfied?

GATE Electrical Engineering (EE) 2017 Shift 1 Solved Paper

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A closed loop system has the characteristic equation given by s³ + Ks² + (K + 2)s + 3 = 0. For this system to be stable, which one of the following conditions should be satisfied?

0 < K < 0.5
0.5 < K < 1
0 < K < 1
K > 1

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