(AnB)C=AC U BC
U = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10} A A = { 1, 2, 3, 4,5} B. {1,2,3,4,5, 6, 7, 8, 9, 10}.SHOW IT IN VEIN DIAGRAM
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Step-by-step explanation:
U={1,2,3,4,5,6,7,8,9}
A={2,4,6,8}
B={2,3,5,7}
(i) (A∪B)′={2,3,4,5,6,7,8}′={1,9}
A′∩B′={1,3,5,7,9}∩{1,4,6,8,9}={1,9}
∴(A∪B)′=A′∩B′
(ii) (A∩B)′={2}′={1,3,4,5,6,7,8,9}
A′∪B′={1,3,5,7,9}∪{1,4,6,8,9}={1,3,4,5,6,7,8,9}
∴(A∩B)′=A′∪B′
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