ok well here is the problem.. http://latex.codecogs.com/gif.latex?...%20\right%20\}

http://latex.codecogs.com/gif.latex?...+3s} \right \}

and here is my answer, http://latex.codecogs.com/gif.latex?...c{2}{3}e^{-3t}

im not seeing where i went wrong, used partial fractions to break it down, i figured out A to be 1/3 and B to be 2/3...

any help would be appreciated, thanks in advance