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Network TheoryNetwork Functions

For H(s)=(s+3)/[(s+2)(s+3)], exact pole-zero cancellation reduces the algebraic expression to?

  • A1/(s+2)
  • B1/(s+3)
  • Cs+2
  • Ds+3
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Correct Answer: A. 1/(s+2)
Explanation: The common factor (s+3) cancels algebraically, leaving H(s)=1/(s+2), subject to the usual caveat that internal system behavior may require separate consideration.
Reference: Standard network theory: pole-zero cancellation
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