ISRO Mechanical & Aerospace 2020 - Question 49

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The Laplace transform of $e^{at} \cos(\omega t)$

  • A. (s-a) / ((s-a)^2 + w²)
  • B. w / ((s-a)^2 + w²)
  • C. a / ((s-a)^2 + w²)
  • D. s / ((s-a)^2 + w²)

Answer: A. (s-a) / ((s-a)^2 + w²)

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