Mathematics, 27.08.2021 16:10 lhecker007
If U = {1,2,3,4,5,6,7,8,9,10,11,12} , A = {2,4,6,8,10,12} and B = {1,3,5,7,9,11} show that A U B = B U A = U. β
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If U = {1,2,3,4,5,6,7,8,9,10,11,12} , A = {2,4,6,8,10,12} and B = {1,3,5,7,9,11} show that A U B = B...
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