Question: 3. A regular expression for the language over the alphabet {a, b} with each string having an even number of a's is (b*ab ab*)*b*. Use

 3. A regular expression for the language over the alphabet {a,

3. A regular expression for the language over the alphabet {a, b} with each string having an even number of a's is (b*ab ab*)*b*. Use this result to find regular expressions for the following languages a. a language over the same alphabet but with each string having 4n (n>= 0) a's. (3 points) a b. a language over the same alphabet but with each string having 4n+1 (n >= 0) a's. (3 points)

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