Lecture 1 Groups theory / Abstract Algebra Mathematics

Results and their Applications of Groups Theory / Abstract Algebra Mathematics related to Exams CSIR NET MATHEMATICS / NBHM / IIT / Entrance for M.Sc Mathematics Admission
1st result group under addition modulo n
2nd group under multiplication modulo n
3rd multiplication modulo n is group iff n is prime
Jai Hind.

https://youtu.be/DBG4FucAfIU
https://youtu.be/DBG4FucAfIU