Question: (4 marks: 2 marks for counterexample, 2 marks for question on closure under complement) Prove by counterexample that if M is a NFA that recognizes

(4 marks: 2 marks for counterexample, 2 marks for question on

(4 marks: 2 marks for counterexample, 2 marks for question on closure under complement) Prove by counterexample that if M is a NFA that recognizes languages B, then swapping the accept and nonaccept states in M does not necessarily yield an NFA recognizing B. With this in mind, is the class of languages recognized by NFA's closed under complement (explain your answer!)

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