**Question:**Select the graph that is not regular.**Diagrams:**1. **First Graph:** - A square with vertices labeled A, B, C, and D. - All vertices are connected, forming a cycle. - Additional diagonal connections from A to C and B to D.2. **Second Graph:** - A quadrilateral with vertices labeled A, B, C, and D. - All vertices are connected, forming a cycle. - Additional diagonal connections from A to D and B to C.3. **Third Graph:** - A quadrilateral with vertices labeled A, B, C, and D. - A is connected to B and D; B is connected to C and A; C is connected to D and B; D is connected to A and C.4. **Fourth Graph:** - Consists of two disconnected lines. - One line connects A to B. - Another line connects D to C. **Note:** A regular graph is one where each vertex has the same number of edges. Select the graph where this is not the case.

A regular graph is identified if the degree of each vertex is equal. A graph is called K regular if…

Answered: Select the graph that is not regular. в…

Engineering

Computer Science

Select the graph that is not regular. в O. B D B. B.

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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