Inverse Laplace Transforms

📚 Review: Partial Fraction Decomposition
Quick Reference: Use Partial Fraction Decomposition (PFD) to break complex \(F(s)\) into forms matching basic table entries like \(\frac{a}{s^2+a^2}\) or \(\frac{s-a}{(s-a)^2+b^2}\).

Exercises: Find \(f(t) = \mathcal{L}^{-1}\{F(s)\}\)

  1. (a) \(F(s)= \frac{\sqrt{2}}{s^2-9}\) (b) \(F(s)= \frac{3s}{s^2+4}\) Video Solution
  2. \(F(s)= \frac{s-3}{s^2-6s+10}\) Video Solution
  3. (a) \(F(s)= \frac{1}{s^2-4s+5}\) (b) \(F(s)= \frac{2s}{s^2-s-6}\) Video Solution
  4. \(F(s)= \frac{2s+1}{s^2-2s+2}\) Video Solution
  5. \(F(s)= \frac{1-2s}{s^2+4s+3}\) Video Solution
  6. (a) \( F(s)=\frac{s^3}{s^4-1}\) (b) \(F(s)=\frac{s^3+s^2}{s^4-1}\) (c) \( F(s)=\frac{s^3+s}{s^4-1} \) Video Solution
  7. \(H(s)=\left(\frac{2}{s}+\frac{1}{s^2}\right)+e^{-s}\left(\frac{3}{s}-\frac{1}{s^2}\right)+e^{-3 s}\left(\frac{1}{s}+\frac{1}{s^2}\right)\) Video Solution
  8. \(F(s) = \frac{e^{-2s}}{s^2+s-2}\) Video Solution
  9. \(F(s) = \frac{e^{-5s}}{s^2-25}\) Video Solution
  10. \(F(s) = \frac{(s-1)e^{-2s}}{s^2-5s+6}\) Video Solution
  11. \(F(s)= \frac{1}{s(s+1)}\) (using Convolution integral) Video Solution