(2) Let G be a directed graph on n vertices and maximum pos- sible number of directed edges; assume that n ≥ 2. (a) Present such a digraph when n = 3 assuming the vertices are 1, 2, and 3. (b) How many directed edges are in such a G, in general, when G has n vertices? Justify your answer. (c) Is G, as specified in the problem, reflexive? Justify briefly.

(2) Let G be a directed graph on n vertices and maximum pos- sible number of directed edges; assume that n ≥ 2. (a) Present such a digraph when n = 3 assuming the vertices are 1, 2, and 3. (b) How many directed edges are in such a G, in general, when G has n vertices? Justify your answer. (c) Is G, as specified in the problem, reflexive? Justify briefly.

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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