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Equations and Inequalities
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Equations and Inequalities

Equations and Inequalities

Elementary Problems and Theorems in Algebra and Number Theory

Jiri Herman, Radan Kucera, Jaromir Simsa

344 pages, parution le 01/07/2000

Résumé

A look at solving problems in three areas of classical elementary mathematics: equations and systems of equations of various kinds, algebraic inequalities, and elementary number theory, in particular divisibility and diophantine equations. In each topic, brief theoretical discussions are followed by carefully worked out examples of increasing difficulty, and by exercises which range from routine to rather more challenging problems. While it emphasizes some methods that are not usually covered in beginning university courses, the book nevertheless teaches techniques and skills which are useful beyond the specific topics covered here. With approximately 330 examples and 760 exercises.

Contents

Preface
Symbols

1 Algebraic Identities and Equations 1

1 Formulas for Powers 1
2 Finite Sums 5
3 Polynomials 23
4 Symmetric Polynomials 38
5 Systems of Equations 46
6 Irrational Equations 60
7 Some Applications of Complex Numbers 75

2 Algebraic Inequalities 89

1 Definitions and Properties 90
2 Basic Methods 94
3 The Use of Algebraic Formulas 106
4 The Method of Squares 113
5 The Discriminant and Cauchy's Inequality 124
6 The Induction Principle 135
7 Chebyshey's Inequality 145
8 Inequalities Between Means 150
9 Appendix on Irrational Numbers 169

3 Number Theory 173

1 Basic Concepts 174
2 Prime Numbers 183
3 Congruences 189
4 Congruences in One Variable 201
5 Diophantine Equations 217
6 Solvability of Diophantine Equations 238
7 Integer Part and Fractional Part 251
8 Base Representations 258
9 Dirichlet's Principle 268
10 Polynomials 274

4 Hints and Answers 283

1 Hints and Answers to Chapter 1 283
2 Hints and Answers to Chapter 2 294
3 Hints and Answers to Chapter 3 312

Bibliography 337
Index 341

Caractéristiques techniques

  PAPIER
Éditeur(s) Springer
Auteur(s) Jiri Herman, Radan Kucera, Jaromir Simsa
Parution 01/07/2000
Nb. de pages 344
Format 16 x 24
Couverture Relié
Poids 656g
Intérieur Noir et Blanc
EAN13 9780387989426

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