Sets

\[\xi=\{1,2,\ldots,12\},\]\[A=\{1,2,3,4,6,12\},\qquad B=\{2,4,6,8,10,12\}.\]List:

1. \(A\cap B'\);

2. \(A'\cup B\);

3. \((A\cup B)'\);

4. \((A\cap B)'\).