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101)b)lf A = {3,6,9,12,15,18,21} B = {4,8,12,16,20}C = {2,4,6,8,10,12,14,16} D = {5,10,15,20} findi) A-B ii)A-C iii)A-D iv)B-A v)C-A vi)D-A vii)B-C viii)B-Dix)C-B x) D-B ? |
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Answer» Given:A = {3, 6, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16} and D = {5, 10, 15, 20}i A−BÂ = {3, 6, 15, 18, 21}ii A−C = {3, 15, 18, 21}iii A−D = {3, 6, 12, 18, 21}iv B−A = {4, 8, 16, 20}v C−A = {2, 4, 8, 10, 14, 16}vi D−A = {5, 10, 20}vii B−C = {20}viii B−D = {4, 8, 12, 16} |
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