Question: Repeat Problem 3 but sketch your root loci for negative values of K. Data From Problem 3: Sketch the root locus for the unity feedback

Repeat Problem 3 but sketch your root loci for negative values of K.

Data From Problem 3:

Sketch the root locus for the unity feedback system shown in Figure P8.3for the following transfer functions:

a.

K(s + 2)(s + 6) s2 + 8s + 25 G(s) =

b.

c.

d.

K(s + 2)(s + 6) s2 + 8s + 25 G(s) =

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