Let A={1,2,3,4}, B={2,3,4,5} then n{(A×B)∩(B×A)} is ​

Question

Let A={1,2,3,4}, B={2,3,4,5} then n{(A×B)∩(B×A)} is ​

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Melanie 4 weeks 2021-09-22T23:00:37+00:00 2 Answers 0 views 0

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    0
    2021-09-22T23:01:37+00:00

    Answer:

    (1,2),(1,3),(1,4),(1,5)

    0
    2021-09-22T23:02:02+00:00

    Step-by-step explanation:

    A = {1,2,3,4}, B = {2,3,4,5}

    (AxB) = {(1,2),(1,3),(1,4),(1,5),(2,2),(2,3),(2,4),(2,5),(3,2),(3,3),(3,4),(3,5),(4,2),(4,3),(4,4),(4,5)}

    (BxA) = {(2,1),(2,2),(2,3),(2,4),(3,1),(3,2),(3,3),(3,4),(4,1),(4,2),(4,3),(4,4),(5,1),(5,2),(5,3),(5,4)}

    {(AxB) intersection (BxA)} = {(2,2),(2,3),(2,4),(3,2),(3,3),(4,2),(4,3),(4,4)}

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