1. Chapter 1 Class 11 Sets (Term 1)
  2. Concept wise
  3. Complement of set

De Morgan's Law

Last updated at July 11, 2018 by

De Morgan’s Law are based on complement of sets

  1. (A ∪ B)´ = A′ ∩ B′
  2. (A ∩ B)′ = A′ ∪ B′

 

Let us prove the law by Venn Diagrams

Let's take two sets A and B like

2 sets to prove demorgans law.jpg

Advertisement

Proving (A ∪ B)´ = A′ ∩ B′

De Morgan's Law - Part 2

Advertisement

Proving (A ∩ B)′= A′ ∪ B′

De Morgan's Law - Part 3

  1. Chapter 1 Class 11 Sets (Term 1)
  2. Concept wise

    3. Complement of set

    Number of elements in set - 2 sets (Direct) →
Chapter 1 Class 11 Sets (Term 1)
Concept wise

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.