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Ex 2.3, 1 Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (iii) {(1, 3), (1, 5), (2, 5)} The first element are 1, 1 and 2 Here 1 is coming twice, i.e. it is repeating Hence, this relation is not a function. In function, first element is not repeating

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

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo