**Discrete Mathematics | Representing Relations - GeeksforGeeks**
https://www.geeksforgeeks.org/discrete-mathematics-representing-relations/

Jun 22, 2018 · Discrete Mathematics | Representing Relations. In this set of ordered pairs of x and y are used to represent relation. In this corresponding values of x and y are represented using parenthesis. Example: { (1, 1), (2, 4), (3, 9), (4, 16), (5, 25)} This represent square of a number which means if x=1 then y = x*x = 1 and so on.

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