Answer to Question #287998 in Programming & Computer Science for Jvfvr00

Question

Question 1:

Let L be the language consisting of all strings of a's and b's containing the substring abba.

a) Construct a DFA for L.

b) Represent the DFA for L as regular expression.

b) Show the DFA for L scanning the shortest possible word in L.

(Hint: A substring "abba" can comes at the beginning, middle or end of a string of a's and b's of L)

Answer 1

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