if u {1,2,3,4,5,6,7,8,9} a{1,2,3,4} b{2,4,6,8} and c{3,4,5,6} find a\' b\' (auc)\'

if u {1,2,3,4,5,6,7,8,9} a{1,2,3,4} b{2,4,6,8} and c{3,4,5,6} find a\'

1.	if u {1,2,3,4,5,6,7,8,9} a{1,2,3,4} b{2,4,6,8} and c{3,4,5,6} find a\' b\' (auc)\'
Answer» a\'=u-a=(5,6,7,8,9);b\'=u-b=(1,3,5,7,9);(auc)\'=0 a\' is {56789}b\' is {13579}(auc)\' is {1256789}