QUESTION 75 What is the correct simplified form of regular expression aa(b* + a) + a(ab* + aa)? OA aa(b* + a) O B. a(b* + a) O aa(b + a)+ aa(b* + a) O D-bo +a QUESTION 76 Which of the following is not a regular language over alphabet (a, b)? OA (b) OB.A OC (o) ODØ

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
Section: Chapter Questions
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QUESTION 75
What is the correct simplified form of regular expression aa(b* + a) + a(ab* + aa)?
OA aa(b* + a)
O B.
a(b* + a)
OC aa(b + a) + aa(b* + a)
O D.b +a
QUESTION 76
Which of the following is not a regular language over alphabet (a, b)?
O A. (b)
O B.A
OC (o)
OD.Ø
Transcribed Image Text:QUESTION 75 What is the correct simplified form of regular expression aa(b* + a) + a(ab* + aa)? OA aa(b* + a) O B. a(b* + a) OC aa(b + a) + aa(b* + a) O D.b +a QUESTION 76 Which of the following is not a regular language over alphabet (a, b)? O A. (b) O B.A OC (o) OD.Ø
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