3.1 For each of the regular expressions below, (1) determine which among &, ab, abba, aaba, baaa and baaba are accepted, and (2) describe in plain English or in set-builder notation the regular languages they represent: i. (a+b)b(a+b)*+ (a+b)*a(a+b)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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3.1 For each of the regular expressions below, (1) determine which
among &, ab, abba, aaba, baaa and baaba are accepted,
and (2) describe in plain English or in set-builder notation the
regular languages they represent:
i. (a+b)b(a+b)*+ (a+b)*a(a+b)
Transcribed Image Text:3.1 For each of the regular expressions below, (1) determine which among &, ab, abba, aaba, baaa and baaba are accepted, and (2) describe in plain English or in set-builder notation the regular languages they represent: i. (a+b)b(a+b)*+ (a+b)*a(a+b)
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