Which of the following statements is/are correct? I. The language L accepts all the strings of a's and b's where the third symbol from left end is b. The regular expression for L is (a +b)* b(a +b)* . II. The language L accepts all the strings of a's and b's where the number of a's in a string is divisible by 3. The regular expression for L is (b* ab* ab* ab*)*. III. The regular expression R=(a+b)" . The number of states required to construct the minimal DFA for the regular expression R is n+2.
Which of the following statements is/are correct? I. The language L accepts all the strings of a's and b's where the third symbol from left end is b. The regular expression for L is (a +b)* b(a +b)* . II. The language L accepts all the strings of a's and b's where the number of a's in a string is divisible by 3. The regular expression for L is (b* ab* ab* ab*)*. III. The regular expression R=(a+b)" . The number of states required to construct the minimal DFA for the regular expression R is n+2.
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter7: User-defined Simple Data Types, Namespaces, And The String Type
Section: Chapter Questions
Problem 3PE
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