reduction of higher order DE to system

[@ganyu5768]

Sir this video is so clean and after watching this, it feels like i attained an epiphany
its so good.

[@daviezireva988]

This one is a great teacher

[@lelouchlamperogue8641]

nice

[@perspicuous-tube9264]

Thank you for the complete solution.

[@OminousPinapple]

This was a great help, my current lecturer jumps around too much for me to understand. You at least point out where you are getting the values from as you write the whole equation.

[@billchen3463]

Imagine online course only talk about the textbook content but not actually teaching you how to solve the problem smh