1.

The inverse Laplace transform of F(s) = ( frac{5}{s^2-9} ) is ______________

A. ( frac{1}{6}e^{3t} + frac{5}{6e^{-3t}} )
B. ( frac{1}{6}e^{3t} frac{5}{6e^{-3t}} )
C. ( frac{5}{6}e^{3t} + frac{5}{6e^{-3t}} )
D. ( frac{5}{6}e^{3t} frac{5}{6e^{-3t}} )
Answer» E.


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