1. The problem statement, all variables and given/known data I need to use the Laplace transformations to solve this IVP y'-y=2cost(5t) , y(0)=0 2. Relevant equations 3. The attempt at a solution I seperated the question until the point Y(s)=(2s)/(s^2+25)(s+1) and then 2s=A(s+1)+B(s^2+25) I get the answer for B=-(1/13) and i just want to know how to get A and if i am doing it right so far. ASAP would be great. Thanks.