# LaPlace Transformation Problem

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• July 30th 2007, 05:29 PM
graceofayak
LaPlace Transformation Problem
I am having a hard time with the LaPlace Transformation of 1/((s-3)(s^2+4)). I am believe that you use partial fractions, but it is not working out for me. Can somebody help?
• July 30th 2007, 05:37 PM
galactus
Yes, PF's help.

$\frac{1}{13(s-3)}-\frac{3}{13(s^{2}+4)}-\frac{s}{13(s^{2}+4)}$

$\frac{e^{3t}}{13}-\frac{3}{26}sin(2t)-\frac{1}{13}cos(2t)$