Write a regular expression for the language of all strings over the alphabet {a,b} in which the letter a occurs an even number of times. Answer:

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
Chapter1: Introduction
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14 Theory of computation - S2 2021
units / FIT2014_S2_2021 / Week 8 / Deferred Mid-Semester Test
Write a regular expression for the language of all strings over the alphabet {a,b} in which the letter a occurs an even
number of times.
Answer:
Next page
ture 21: Mapping reductions
Tute 5: Context-Free Languages and
Jump to...
(4s/p)
the Pumping Lemmas
Transcribed Image Text:14 Theory of computation - S2 2021 units / FIT2014_S2_2021 / Week 8 / Deferred Mid-Semester Test Write a regular expression for the language of all strings over the alphabet {a,b} in which the letter a occurs an even number of times. Answer: Next page ture 21: Mapping reductions Tute 5: Context-Free Languages and Jump to... (4s/p) the Pumping Lemmas
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