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  1. Chapter 2 Class 11 Relations and Functions
  2. Serial order wise

Transcript

Ex 2.1, 2 If the set A has 3 elements and the set B = {3, 4, 5}, then find the number of elements in (A × B)? Number of elements in set A = 3 Number of elements in set B = 3 Number of elements in set A × B = Number of elements in set A × Number of elements in set B = 3 × 3 = 9 Thus, the number of elements in (A × B) is 9.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.