If A = {a,b} and B = {1, 2, 3} then, find A×B and B×A and show them by a mapping diagram.

asked Sep 18, 2022 77.0k views

2 votes

by Kietz

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A × B = {a, b} × {1, 2, 3} = {{a, 1}, {a, 2}, {a, 3}, {b, 1}, {b, 2}, {b, 3}}

Himerzi answered Sep 23, 2022

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