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Module 1: Introduction & Regular Languages

20212m

For an NFA with nn states, the minimized DFA has:

(i) m≤2nm \le 2^n
(ii) n≤mn \le m
(iii) one accept state
(iv) m=2nm = 2^n

Worked SolutionAI Assisted

Answer

Correct Option: (i) m≤2nm \le 2^{n}

Explanation

Same as Q28 / Q87: Subset construction.

NFA nn states → DFA has at most 2n2^{n} subsets. Minimized DFA mm ≤ subset DFA ≤ 2n2^{n}.

  • (ii) n≤mn \le m is not necessarily true (NFA can be smaller).
  • (iv) m=2nm =2^{n} is not always (upper bound, but often smaller).
  • (iii) one accept state is false (can be multiple).

Final Answer

m≤2nm \le 2^{n} → Option (i).

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