Secrets in inequalities - Pham Kim Hung - English Version

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Title: SECRETS IN INEQUALITIES
Author: Pham Kim Hung
GIL Publishing House, ISBN 978-973-9417-88-4
Xin trích dẫn một đoạn của lời mở đầu bằng tiếng Anh trong cuốn "Secrets in inequalities" của Phạm Kim Hùng.

You are now keeping in your hands this new book of elementary inequalities. "Yet another book of inequalities?" We hear you asking, and you may be right. Speaking with the author's words:
" Myriads of inequalities and inequality techniques appear nowadays in books and contests. Trying to learn all of them by heart is hopeless and useless. Alternatively, this books objective is to help you understand how inequalities work and how you can set up your own techniques on the spot, not just remember the ones you already learned.
To get such a pragmatic mastery of inequalities, you surely need a comprehensive
knowledge of basic inequalities at first. The goal of the first part of the book (chapters 1-8) is to lay down the foundations you will need in the second part (chapter g), here solving problems will give you some practice. It is important to try and solve the problems by yourself as hard as you can, since only practice will develop your understanding, especially the problems in the second part. On that note, this books objective is not to present beautiful solutions to the problems, but to present such a variety of problems and techniques that will give you the best kind of practice."
It is true that there are very many books on inequalities and you have all the right
to be bored and tired of them. But we tell you that this is not the case with this one.
Just read the proof of Nesbitt's Inequality in the very beginning of the material, and you will understand exactly what we mean....

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