Question

if u={1,3,5,8,9,10,11,12,13,15} A={1,11,13} B={8,5,10,11,15} then A' intersection B' and what is A' union B'​

Answer 1

A' = U - A

={1,3,5,8,10,11,12,13,15} - {1,11,13}

={3,5,8,10,12,15}

B' = U- B

={1,3,5,8,10,11,12,13,15}- {8,5,10,11,15}

={1,3,12,13}

A' INTERSECTION B' = {3,12}

A' UNION B' = {1,3,5,8, 10,12,13,15}

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