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Ex 2.3, 1 - Chapter 2 Class 11 Relations and Functions - Part 5

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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

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