Which of the following is the transfer function of a system

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Which of the following is the transfer function of a system having the Nyquist plot in figure below?

1. K
  s(s + 2)²(s + 5)
2. K
  s²(s + 2)(s + 5)
3. K(s + 1)
  s²(s + 2)(s + 5)
4. K(s + 1)(s + 3)
  s²(s + 2)(s + 5)

Correct Option: B

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