Question

what is cartesian product
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Answer 1

Answer:

In mathematics, specifically set theory, the Cartesian product of two sets A and B, denoted A × B, is the set of all ordered pairs where a is in A and b is in B. In terms of set-builder notation, that is A\times B=\{\, \mid a\in A\ {\mbox{ and }}\ b\in B\, \}.