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Network TheoryNetwork Synthesis

Which polynomial is Hurwitz?

  • As^2-3s+2
  • Bs^2+3s+2
  • Cs^2-1
  • Ds^2-2s+5
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Correct Answer: B. s^2+3s+2
Explanation: s^2+3s+2=(s+1)(s+2), whose roots -1 and -2 lie in the left-half plane.
Reference: Standard network theory: Hurwitz polynomial numerical
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