Awesome video. It helps me with Number Theory, Analysis and set Theory, Abstract Algebra, thank you Professor!!!
@simikhaund6793
3 жыл бұрын
Mam 😘 ur way of teaching is so perfect
@DachuanHuang
2 жыл бұрын
It looks like it can also proved by principles of inclusion and exclusion: n - n/p_1 - n / p_2 - n / p_3 + n/ (p_1*p_2) + n / (p_2 * p_3) etc. But multiplicative property is more elegant!
@masumbiswas5181
3 жыл бұрын
Mam, can you tell me some good books on number theory?
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