Solve the differential equation by variation of parameters

y" + 3y' +2y = 1/(1+e^x)

please use this google drive link to download the answer file.

https://drive.google.com/file/d/1br1nyYsJKbSXRpL5Yfy8j_El_af6CazX/view?usp=sharing

note: if you have any trouble in viewing/downloading the answer from the given link, please use this below guide to understand the whole process

https://helpinhomework.org/blog/how-to-obtain-answer-through-googledrive-link