Question: A unity feedback system has an open-loop transfer function of the form [ mathrm{KG}(s)=frac{mathrm{K}(s+a)}{s^{2}(s+b)} ; quad b>a ] Which of the loci shown below can

A unity feedback system has an open-loop transfer function of the form
\[
\mathrm{KG}(s)=\frac{\mathrm{K}(s+a)}{s^{2}(s+b)} ; \quad b>a
\]
Which of the loci shown below can be valid root loci for the system?

(a) -b a jo (b) -b -a joo

image text in transcribed

(a) -b a jo (b) -b -a joo

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