Question
2. Construct a regular expression defining each of the following languages. (a) the language of all words over that do not contain the substring aab
2. Construct a regular expression defining each of the following languages. (a) the language of all words over 
that do not contain the substring aab, where 
={a,b} (b) the language of all words over 
that have different first and last letters, where 
={a,b,c}
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Introduction To Data Mining
Authors: Pang Ning Tan, Michael Steinbach, Vipin Kumar
1st Edition
321321367, 978-0321321367
