Answer the following questions : 1. If n(A) = 12, n(B) = 9 and n An B) = 5, then find n( Au B)​

Question

Answer the following questions :
1.
If n(A) = 12, n(B) = 9 and n An B) = 5, then find n( Au B)​

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Genesis 1 week 2021-09-09T17:18:18+00:00 2 Answers 0 views 0

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    0
    2021-09-09T17:19:52+00:00

    Answer:

    (AuB) = 1

    hope u like answer

    0
    2021-09-09T17:20:14+00:00

    Answer:

    Hence sum of no. of elements in A(n(A)) and no. of elements in B (n(B)) can be given as

    n(A)+n(B)=n(AuB)+n(AnB)

    Thus to find n(AnB)

    n(AnB)=n(A)+n(B)-n(AuB)

    =7+5-11

    =12

    Hence n(AnB)=1

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