Uploaded November 2019 | Updated September 2026, 2 weeks ago
First-order linear differential equations: youtu.be/F41dOHrrM9I
Video on variation of parameters: youtu.be/PMldTftChtQ
Dissecting differential equations playlist: youtube.com/playlist?list=PLug5ZIRrShJF-vOxStdHg1jyntiTKrAYO
In this video, we take the idea of variation of parameters and change it up. Lots of integrals and lots of fun!
New math videos every Monday and Friday. Subscribe to make sure you see them!
First-order linear differential equations: youtu.be/F41dOHrrM9I
Video on variation of parameters: youtu.be/PMldTftChtQ
Dissecting differential equations playlist: youtube.com/playlist?list=PLug5ZIRrShJF-vOxStdHg1jyntiTKrAYO
In this video, we take the idea of variation of parameters and change it up. Lots of integrals and lots of fun!
New math videos every Monday and Friday. Subscribe to make sure you see them!








![I Want to Play a Game: Proving [0,1] is Uncountable
The interval [0,1] is uncountable, and there are many ways to prove that. Cantors diagonal argument is a classic example. But theres another way: proof by playing a game. This video is an explanation of a proof by contradiction after assuming that the infinite set [0,1] is countable and playing a game on that interval. All we need is basic calculus for the limits of sequences!
Original based on Grossman & Turett: https://arxiv.org/pdf/math/0606253
Calculus Problems playlist: https://www.youtube.com/playlist?list=PLug5ZIRrShJGFne7YhMi-4eYsUKzkITao
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Music: C418 - Smooth Fall I Want to Play a Game: Proving [0,1] is Uncountable](https://i.ytimg.com/vi/Mcfnnp8rxkI/mqdefault.jpg)

