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If A = {1, 2, 3} and B = {4, 5}, find Ax...

If A = {1, 2, 3} and B = {4, 5}, find `AxxB`, `BxxA` and show that `AxxBneBxxA`.

Text Solution

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`AxxB={1,2,3}xx{4,5}={(1,4),(1,5),(2,4),(2,5),(3,4),(3,5)}`
and `BxxA={4,5}xx{1,2,3}={(4,1),(4,2),(4,3),(5,1),(5,2),(5,3)}`
It is clear that `AxxBneBxxA`
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