Last updated at May 29, 2018 by Teachoo

Transcript

Example 9, Let A = {1, 2} and B = {3, 4}. Find the number of relations from A to B. Given A = {1,2} & B = {3,4} Number of relations from A to B = 2Number of elements in A × B = 2Number of elements in set A × Number of elements in set B = 2n(A) × n(B) Number of elements in set A = 2 Number of elements in set B = 2 Number of relations from A to B = 2n(A) × n(B) = 22 × 2 = 24 = 2 × 2 × 2 × 2 = 16

Chapter 2 Class 11 Relations and Functions

Serial order wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.