Determine $\mathcal{L}^{-1}\{F\}$. $$F(s) = \frac{11s^3 - 20s^2 - 5s + 20}{s^3(s-4)}$$ Click here to view the table of Laplace transforms. Click here to view the table of properties of Laplace transforms. $\mathcal{L}^{-1}\{F\} = \square$
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Step 1: Perform partial fraction decomposition on $F(s)$: $$ \frac{11s^3 - 20s^2 - 5s + 20}{s^3(s-4)} = \frac{A}{s} + \frac{B}{s^2} + \frac{C}{s^3} + \frac{D}{s-4} $$ Multiplying both sides by $s^3(s-4)$, we get: $$ 11s^3 - 20s^2 - 5s + 20 = A s^2(s-4) + B s(s-4) + Show more…
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