Which of the following regular expressions describes the language of strings of the form a3n b²m c4k where n, m, k are positive integers?O a*a*a*b*b*c*c*c*c*aa(a*)b(b*)ccc(c*)O (aaa) (bb) (ccc)*None of these, since this language is not a regular language (i.e., cannot be described by a regular expression).

Which of the following regular expressions describes the language of strings of the form a3n b2m cAk where n, m, k are positive integers O a*a*a*b*b*c*c*c*c* O aa(a*)b(b*)ccc(c*) O (aaa)* (bb)*(cccc)+ None of these, since this language is not a regular language (i.e., cannot be described by a regular expression).

Which of the following regular expressions describes the language of strings of the form a3n b2m cAk where n, m, k are positive integers O aaabbcccc* O aa(a)b(b)ccc(c) O (aaa) (bb)*(cccc)+ None of these, since this language is not a regular language (i.e., cannot be described by a regular expression).

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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