if U={1,2,3,4,5,6,7,}, A={1,2,3}, and B={3,4,5} find the following: i) A ii)B iii)A-B iv)B-A
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Step-by-step explanation:
i) A={1,2,3}
ii) B={3,4,5}
iii) A-B = {1,2}
iv) B-A = {4,5}
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