If the universal set $U=\{0,1,2,3,4,5,6,7,9,11\}$ has two subsets $A=\{1,3,5,11\}$ and $B=\{0,2,3,9,11\}.$ Find:

$AU$

Question $16(2$ points$)$

If the universal set $U=\{0,1,2,3,4,5,6,7,9,11\}$ has two subsets $A=\{1,3,5,11\}$ and $B=\{0,2,3,9,11\}.$ Find:

$\frac{-}{b}ar(A)$

$$ A$,$