Explain Cartesian product with example.
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Cartesian Product: The Cartesian product of two sets A and B, denoted A × B, is the set of all possible ordered pairs where the elements of A are first and the elements of B are second. Example: A × ∅ = ∅ since no ordered pairs can be formed when one of the sets is empty.
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Firstly, what is ordered pair?
A pair of objects written in a particular order is called an ordered pair.
For Example, (1,3)=(1,3)
Cartesian product of two sets A and B is the set of all those ordered pairs whose first coordinate is an element of A and the second coordinate is an element of B.
It is denoted by A × B and is real as ' A cross B '.
For example, Let A ={1,2,3}, B={3,5}
Then, A × B = {1,2,3}×{3,5}
= {(1,3),(1,5),(2,3),(2,5),(3,3),(3,5)}
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