Combinatorics Lesson 10 Principle of Mutual Exclusion and Inclusion

This video explains the principle of Mutual inclusion and exclusion along with the related problems.

Questions

  • 0

    What is floor and ceil value??

    Lakshman
    Reply

    Please explain more about ceil and floor.

  • 0

    What is relatively prime number and Non relatively prime number??

    Lakshman
    Reply

    please explain more about these question

  • 1

    Shouldn't 1 be also excluded?

    vishwajit_vishnu
    Reply

    1000 -734 removes the common multiples of 2,3,5 but it doesn’t remove 1 which is also non relatively prime with 30.

    • vishwajit_vishnu

      I got it that 1 is relatively prime with every natural no. My doubt is cleared