Multiple choice

The root locus plot for a system is given below. The open loop transfer function corresponding to this plot is given by

  1. G(s)H(s) = k $\dfrac{s(s+1)}{(s+2)(s+3)}$
  2. G(s)H(s) = k$\dfrac{(s+1)}{s(s+2)(s+3)^2}$
  3. G(s)H(s) = k$\dfrac{s(s+1)}{s(s+1)(s+2)(s+3)}$
  4. G(s)H(s) = k $\dfrac{(s+1)}{s(s+2)(s+3)}$
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B Correct answer
Explanation

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