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यदि `S ={1, 2, 3, 4, 5, 6, 7, 8, 9}, A ={1, 2, 4, 6, 8}, B ={1, 3, 5, 7, 8}, C ={2, 3, 4, 5, 6, 7}` तो जाँच कीजिए : `A-(B uu C)=(A-B) nn (A-C)` |
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Answer» `A-(B uu C)={1, 2, 4, 6, 8}-{1, 2, 3, 4, 5, 6, 7, 8}=phi`. `A-B={1, 2, 4, 6, 8}-{1, 3, 5, 7, 8}={2, 4, 6}`. `A-C={1, 2, 4, 6, 8}-{2, 3, 4, 5, 6, 7}={1, 8}` `:. (A -B) nn (A-C) =phi` `:. A-(B uu C) =(A-B) nn (A-C)` |
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