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Network TheoryLaplace Transform

The inverse Laplace transform of 1/(s+4) is?

  • Ae^(-4t)u(t)
  • Be^(4t)u(t)
  • C4e^(-t)u(t)
  • Dsin(4t)u(t)
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Correct Answer: A. e^(-4t)u(t)
Explanation: The standard pair is 1/(s+a) ↔ e^(-at)u(t).
Reference: Standard network theory: laplace transform
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