n( A U B ) = 21 , n( A ) = 10 , n( B )= 15 , Find n( A intersection B ) and n( A – B )

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n( A U B ) = 21 , n( A ) = 10 , n( B )= 15 , Find n( A intersection B ) and n( A – B )

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Abigail 1 month 2021-09-14T23:56:38+00:00 1 Answer 0 views 0

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    2021-09-14T23:58:16+00:00

    Step-by-step explanation:

    n(Aunion B)=21

    n(A)=10

    n(B)=15

    n(10intersection 15)=union – n(A-B

    n(A-B)=n(-5)

    21+5 26

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