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  • Mechanical Engg. Set 1 (GATE) 2014
  • Laplace transform of cos ($\omega t$) is $\frac{s}{s^2 + ...
Multiple choice

Laplace transform of cos ($\omega t$) is $\frac{s}{s^2 + \omega^2}$. The Laplace transform of e–2t cos(4t) is

  1. $\frac{s-2}{(s-2)^2 + 16}$
  2. $\frac{s+2}{(s-2)^2 + 16}$
  3. $\frac{s-2}{(s+2)^2 + 16}$
  4. $\frac{s+2}{(s+2)^2 + 16}$
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D Correct answer
Explanation

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