Answer Happy

Let M be the nondeterministic finite automata below. a go 11 94 93 Which one of the regular expressions below is a regular expression for L(M)? 1) ab aa* 2) ab*aa* (+b) + ab*b 3) b(a+b)* 4) ab*(b + aa*b) 1) 0 2) O 3) O 4)