Solution z3+z² + 1.5Kz - (K + 0.5) = 0 Let N = ω Or 3 + w+1 @-1 .The characteristic equation becomes. 2 +1.5K (+1)-(K + 0.5) = 0 ELECTRIC (1.5 + 0.5K) w³ + (5.5 + 1.5K)w² + (0.5 - 4.5K)w + (2.5K + 0.5) = 0 0.5)=0

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