Not hearing any audio. Trying to check if it's on my end.
Video 1: What Is A Unit Group?
https://cdn.satellite.earth/d81449a118de3985406aac2f6304133c775c7a5ea9bedcbbedff2b8163a0da28.mov
I discuss Unit Groups, and go through the example, using a modulus of 5, I prove the 4 Group axioms under multiplication.
Discussion
It’s your end.
You're right. I put the link in my browser and t works. I'll check it out tonight. Finally time for class! I just got a digital copy of 'A Book of Abstract Algebra, Second Edition'. Gonna take an hour to do some math this weekend.
Thank you! 🙏