Question

If P= {1,2,5,7,9} Q = {2,3,5,9,11}
R= {3, 4, 5, 7,9} S= {2,3,4,5,8}
Find a) (PDQ) nS (b) (PUQ) UR​

Answer 1

Answer:

p={1,2,5,7,9}

Q={2,3 5,9,11}

R={3,4,5 7,9}

S={2,3,4,5,8}

a) (PnQ)={2,5,9}

(PnQ)nS={2,5}

b) (PUQ)={1,2,3,5,7,9,11}

(PUQ)UR={1,2,3,4,5,7,9,11}

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