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Let A={1, 2, 3) and B={x|x is the prime ...

Let `A={1, 2, 3) and B={x|x` is the prime number less than 10}. Find `AtimesB and BtimesA`.

Text Solution

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The correct Answer is:
`A xx B = {(1, 2),( 1 ,3),(1, 5),(1, 7),( 2 ,2),(2 ,3),(2, 5),( 2, 7),(3, 2),(3, 3), (3, 5), (3, 7)}`
`B xx A = {(2, 1), (2, 2), (2, 3), (3, 1), (3, 2), (3, 3), (5, 1), (5, 2), (5, 3), (7, 1), (7, 2), (7, 3)}`
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