contain an even number of a\'s contain no substring aa contain no substring bb a

Question

contain an even number of a's contain no substring aa contain no substring bb at least one a and no occurrence of aahave odd length Question 2 contain aa and ab start with aa The regular expression b.(abb").ab' defines the language consisting of all strings that! ?Select The regular expression a(aa ab ba bb)' defines the language consisting of all strings that [Select] The regular expression a(ab)'a defines the language consisting of all strings thatSelect] The regular expression (b'ab'a)b defines the language consisting of all strings that[Select] start with a and have odd length end with ab have more a'than b's start with a contain no substring bb end in b contain an even number of a's contain at least one b contain more b's than a's

Explanation / Answer

Q2.) a.) option d is correct. i.e, at least one a and no occurrence of aa

b.) option d; start with a and will have odd length

c.) option c; start with a

d.) option b; even number of a's

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