If U= {21, 22, 23, 24, 25, 26, 27, 28, 29, 30} A = {21, 22, 23, 24, 25} and B = {24, 26, 28, 30}, find A – B
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If U= {21, 22, 23, 24, 25, 26, 27, 28, 29, 30} A = {21, 22, 23, 24, 25} and B = {24, 26, 28, 30}, find A – B
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set A - B = {21,22,23,25}
these sets belongs to A but not to B
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