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Give regular expressions for the following languages. (a) L1 = {anbm, n ≥ 4, m ≤ 3} (b) L2 = {anbm : n < 4, m ≤ 3}

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

Problem 1PE

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Question

Give regular expressions for the following languages.

(a) L₁ = {aⁿb^m, n ≥ 4, m ≤ 3}

(b) L₂ = {aⁿb^m : n < 4, m ≤ 3}

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