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March 25th, 2019, 06:17 AM   #1
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From: Rumba

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Regular Expression (Finite Automaton)

Please could someone advice which solution is correct:

Write down a regular expression which denotes the language accepted by the finite automaton:

Question:


DFA converted:


From answers i have been told:

a) b*a(b+a)*a(a+b)*

b) (a+b)*aa(a+b)*

c) (a+b+ab)*aa(a+b)*

d) (b+ba+aa+ ab+ b) *

Which one would you suggest as correct?

Last edited by sita; March 25th, 2019 at 06:20 AM.
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