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OpenStudy (anonymous):
Let A = {7, 8, 9} and let B = {3, 4, 5, 6}. Find A X B
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OpenStudy (anonymous):
A x B is the cartesian product of A and B. It's the set of all ordered pairs, with the first coordinate in A and the second in B. for example {7, 3}, {8, 4} etc..
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