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3. Suppose N is an NFA with states recognizing LC . Which of the following statements is always true? (a) By swapping the final and non-final states of N we obtain a NFA that recognizes L (b) There is an NFA with one final state that recognizes L (c) There is a DFA with one final state that recognizes L (d) There is a DFA recognizing that has fewer states than N has, (e) None of the above