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If $L[f(t)]=\frac{2(s+1)}{s^{2}+2 s+5}$ then $f(0+)$ and $f(\infty)$ are given by

  1. $0, 2$ respectively
  2. $2, 0$ respectively
  3. $0,1$ respectively
  4. $2/5, 0$ respectively

[Note : 'L' stands for 'Laplace Transform of']

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