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I have a fairly straight forward question regarding an inverse laplace transform. The function follows along with the solution. The solution (provided in my text) has been confirmed by Maple; however, i cannot account for the (1/3) in the solution. Any help would be greatly appreciated; thanks in advance!

function to transform:

[tex]F(s)=\frac{e^{-2s}}{(s+2)*(s-1)}[/tex]

for Maple: exp(-2*s)/((s+2)*(s-1))

solution:

[tex]f(t)=\frac{1}{3}*Heaviside(t-2)*(-e^{-2t+4}+e^{t-2})[/tex]

for Maple: (1/3)*Heaviside(t-2)*(-exp(-2*t+4)+exp(t-2))

On a side note, this is my first post, and any suggestions regarding my formatting, etiquette, or topic selection would also be appreciated.

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# Inverse Laplace Transform Involving a Step (Heaviside) Function

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