Question

If U= {1, 2, 3, 4, 5, 6, 7, 8, 9, A= {1, 2, 3, 4}, B = {2, 4, 6, 8} and C = {1, 4, 5, 6}, find (i) A' (ii) (B')' (iii) (AU B)' (iv) (A∩B)'

Answer 1

A' = 5,6,7,8,9

B'= 1,3,5,7,9

AUB= 1,2,3,4,6,8

AnB = 2,4

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Answer 2

Answer:

A' ={2,4}

(B')' ={4}

(A U B)' = {1,2}