This is an actual classroom lecture. I covered section 2.3 which is on linear equations. I hope someone finds this video helpful. These lectures follow the book A First Course in Differential Equations by Dennis Zill. This is a great book for learning differential equations. Here is the book https://amzn.to/4ajOMyW (affiliate link).
The book used for this course is Zill's Differential Equations. Here is my review of the book
https://www.youtube.com/watch?v=M6o3Sp-LeJo&