Recent content by kelvin2013

Hi, thanks for the reply - I get: yp=c1e-2x+c2e(1+i√3)x+c3e(1-i√3)x ?

Homework Statement Hi, Just wondering if anyone knows how to solve the following as I am not sure where to start at all: y''' + 8y = xsin(2x) Any help would be great. Homework Equations The Attempt at a Solution I'm thinking solving the homogeneous DE y'''+8y = 0 and...