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Signals & SystemsLaplace Transform

For a causal rational LTI system, the ROC of H(s) lies?

  • ATo the right of the rightmost pole
  • BTo the left of the leftmost pole
  • COnly between every pair of poles
  • DExactly on the jω-axis
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Correct Answer: A. To the right of the rightmost pole
Explanation: A causal rational impulse response is right-sided, so its ROC is to the right of the rightmost pole.
Reference: Standard signals and systems: laplace transform
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