Some time around ad 250 he wrote a book about solving algebraic equations with a slight twist. This paper discusses some crucial issues related to diophantus problem. Joseph muscat 2015 4 problem 28 to nd four numbers such that if each receives a given fraction of the sum of the remaining numbers 1 3,1 4,1 5,1 6, the results are all equal. Intersection of the line cb and the circle gives a rational point x 0,y 0. Diophantus project gutenberg selfpublishing ebooks. Solve diophantuss problem i27 by the method of i28.
Another type of problem which diophantus studies, this time in book iv, is to find powers between given limits. Pdf a problem of diophantus and dicksons conjecture. Diophantus lived in alexandria in times of roman domination ca 250 a. A contribution of diophantus to mathematics the following is a statement of arithmetica book ii, problem 28 and its solution. Find two numbers such that the square of either added to the sum of both gives a square. The eighth problem of the second book of diophantus s arithmetica is to divide a square into a sum of two squares. The problem in the very first problem in the very first book of arithmetica diophantus asks his readers to divide a given number into two numbers that have a given difference. For a long time there was uncertainty as to when heron actually lived.
Joseph muscat 2015 1 diophantus of alexandria arithmetica book i joseph. A presentday mathematician, when faced with an equation, would. Five years after his marriage, was born a son who died 4 years before his father, at 1 2 log on. If a problem leads to an equation in which certain terms are equal to terms of the same species but with different coefficients, it will be necessary to subtract like from like on both sides, until one term is found equal to one term. Diophantus was probably greek and he lived in ancient alexandria. So 3 28 th of his age was 9, so diophantus turns out to have lived till 84, and his son till 42.
The problems in book i, however, even though easier than the rest, are the true foundation and the proper doorway to a genuine appreciation and understanding of the remaining work. Diophantus passed 1 6 of his life in childhood, 1 12 in youth and 1 7 more as a bachelor. It was at first found that diophantus lived between ad 250350 by analysing the price of wine used in many of his mathematical texts and finding out the period during which wine was sold at that price. I thought i would give it a shot and tried solving it. Two works have come upon us under the name of diophantus of alexandria. Theres just an abstract from the books, mostly an abbreviated description of the problems and their solutions which doesnt seem to be a 1. At the end of the following 1 7 of his life diophantus got. Other problems seek a value for x such that particular types of polynomials in x up to degree. Problem find two square numbers such that the sum of the product of the two numbers with either number is also a square number.
A similar problem involves decomposing a given integer into the sum of three squares. It seems more like a book about diophantus s arithmetica, not the translation of the actual book. Alternative solution for the diophantus age riddle. The number he gives his readers is 100 and the given difference is 40. He lived in alexandria, egypt, during the roman era, probably from between ad 200 and 214 to 284 or 298.
He had his first beard in the next 1 12 of his life. We know virtually nothing about the life of diophantus. Is there an english translation of diophantuss arithmetica. As i was at the end of the chapter about equations linear, quadratic and radical i saw the well known riddle about diophantus s age. For example, book ii, problem 8, seeks to express a given square number as the sum of two square numbers here read more. Diophantus and pappus ca 300 represent a shortlived revival of greek mathematics in a society that did not value math as the greeks had done 500750 years earlier. Thanks to an admirer of his, who described his life by means of an algebraic riddle, we know at least something about his life. One of these poems relates to the life, and the age at death, of a thirdcentury mathematician. Thus, at some level, it seems he understood that 1 7 6. We know little about this greek mathematician from alexandria, except that he lived around 3rd century a. The solution diophantus writes we use modern notation. He is the author of a series of classical mathematical books called arithmetica and worked with equations which we now call diophantine equations. This scarce antiquarian book is a facsimile reprint of the origin.
Neugebauer 1899 1990 resolved the problem using information provided by heron in dioptra an astronomical and surveying instrument about an eclipse of the moon. Immediately preceding book i, diophantus gives the following definitions to solve these simple problems. Well the problem says that the son lived to half his fathers life. This book features a host of problems, the most significant of which have come to be called diophantine equations. One of the most famous problems that diophantus treated was writing a square as the sum of two squares book ii, problem 8. Book x presumably greek book vi deals with rightangled triangles with rational sides and subject to various further conditions.
This method, which is repeatedly used by diophantus,28 is easily recognized. If we take a birds eye view of arithmetica 6, we see that book i consists primarily. Algebra customizable word problem solvers age solution. Mar 10, 2009 to find two numbers such that their sum and the sum of their squares are given numbers. Mar 30, 2007 diophantus back to the cool math games we know little about this greek mathematician from alexandria, called the father of algebra, except that he lived around 3rd century a. Further, he showed evidence of combining like terms to simplify, and moving a term from one side of an equation to the other, changing the sign appropriately. As a 15 year old student in the netherlands who loves math, i was just casually going through some problems in my text book. You can check the answer if you like, by plugging 84 into the original problem. In book iii, diophantus solves problems of finding values which make two linear expressions simultaneously into squares. Diophantus noted that the rational numbers 116, 3316, 174 and 10516 have the following property. Based on this puzzle diophantus married at the age of 26 and had a son. At the close of the introduction, diophantus speaks of the thirteen books into. This problem became important when fermat, in his copy of diophantus arithmetica edited by bachet, noted that he had this wonderful proof that cubes cant.
Jan 22, 2016 diophantus of alexandria ancient greek. To divide a given square into a sum of two squares. Answer to solve diophantuss problem i27 by the method of i28. The problem of diophantus and davenport for gaussian integers. We present the proof of diophantus 20th problem book vi of diophantus arithmetica, which consists in wondering if there exist right triangles whose sides may be measured as integers and whose surface may be a square.
In it he introduced algebraic manipulations on equations including a symbol for one unknown probably following other authors in alexandria. At the same time, increasing interest in the work of diophantus, one of the most. Other problems seek a value for x such that particular types of polynomials in x up to degree 6 are squares. Diophantus life span problem diophantus youth lasted 16 of his life. Diophantus wrote a seminal series of books called the arithmetica, and is regarded by many as being the father of algebra.
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