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GATE | GATE-CS-2017 (Set 1) | Question 31
  • Last Updated : 21 Feb, 2017

Consider the language L given by the regular expression (a + b) *b(a +b) over the alphabet {a, b}. The smallest number of states needed in a deterministic finite-state automaton (DFA) accepting L is ______.

Note: This questions appeared as Numerical Answer Type.

(A) 3
(B) 4
(C) 5
(D) 6

Answer: (B)

Explanation: g20172_31

This solution has been contributed by Abhishek Kumar.

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