Describe the languages denoted by the following regular expressions:
(1) a(a|b)*a
(2) (a|b)*a(a|b)(a|b)
(3) a*ba*ba*ba*
Describe the languages denoted by the following regular expressions: (1) a(a|b)*a (2) (a|b)*a(a|b)(a|b) (3) a*ba*ba*ba*
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Describe the languages denoted by the following regular expressions: (1) a(a|b)*a (2) (a|b)*a(a|b)(a|b) (3) a*ba*ba*ba*
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