geometry

Given U = {15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25}, A = {16, 18, 20, 22}, and B = {17, 19, 20, 23, 24}. Show your work, finding A’, then B’ then find their intersection.

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  1. Hint:
    A' contains all elements in U but not in A, so
    A'={15,17...25}
    Similarly,
    B'={15,16,18...25}

    A'∩B' contains only elements that are present in both A' and B', so
    A'∩B'={15,....25}

    Complete the sets and post your answers for a check if you wish.

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