SubArea: Logic and setsLevel: BProject ID: 9000080906Accepted: 1Clonable: 0Easy: 0Find BA′ (the complement to B in A) for A={x∈N;x<9} and B={4;5;6;7}.{1;2;3;8}∅{4;5;6;7}{0;1;2;3;8}