I WILL GIVE DISLIKES $!!!$ IF ANYTHING WRONG HAPPENS IN MY QUESTION, BETTER SKIP IT$!!!$

$"(1)\{00,11,0101,000111\}(2)(3)$ NFA $(4)$XA$04$ DFA $$

$=\{$a$$ b$\}$

$()($a$+$ab$)*$

$()$ a$*$b$*$

$()$ a$($a$+$b$)*$b$"$