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Let A= {2,3,5,7,11,13,} and B={5,7,9,11...

Let ` A= {2,3,5,7,11,13,} and B={5,7,9,11,15}` be subsets of `U={2,3,5,7,9,11, 13, 15}`.
Using Venn diagrams, verify that :
(i) `(A cup B)' =(A' capB')`
(ii) ` (A cap B)'=(A'cup B')`

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