a) AUB=BUA and (b) AnB=BnA, when
0 A={1, 2, 3, ...., 10), B={7, 8, 9, 10, 11, 12}
1) }
A={1, 2, 3, ...., 15), B = {6, 8, 10, ...., 20}
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Step-by-step explanation:
1,2,3,4,5,6,7^2,8^2,9^2,10^2,11,12U=AUB=BUA
,1,2,3,5,6^2,7^2,8^2,9^2,10^2,11^2,12^2,13^2,14^2,15^2,16, 17,18,19,20n=AnB=BnA
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