Question 20 (1 point) Give a regular expression that describes the set of strings over Σ={a,b,c} in which the total numb

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Question 20 (1 point) Give a regular expression that describes the set of strings over Σ={a,b,c} in which the total numb

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Question 20 (1 point) Give a regular expression that describes the set of strings over Σ={a,b,c} in which the total number of a's and c's is three. Examples of such strings are: aac, babac, abbcc. In each of these strings the number of a's plus the number of c's is exactly 3. Please use capital u for union.
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