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Example 11 - Chapter 2 Class 11 Relations and Functions - Part 2

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Example 11 Examine each of the following relations given below and state in each case, giving reasons whether it is a function or not? (ii) R = {(2, 2), (2, 4), (3, 3), (4, 4)} The first elements are 2, 2, 3 and 4 Here 2 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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