On the Set of Primitive Triples of Natural Numbers Satisfying the Diophantine Equation of Pythagor
Author(s) -
B. S. Kochkarev
Publication year - 2020
Publication title -
international journal of discrete mathematics
Language(s) - English
Resource type - Journals
eISSN - 2578-9252
pISSN - 2578-9244
DOI - 10.11648/j.dmath.20200501.11
Subject(s) - diophantine equation , integer (computer science) , combinatorics , parity (physics) , mathematics , prime (order theory) , number theory , natural number , physics , discrete mathematics , quantum mechanics , computer science , programming language
The main task considered in the article is to find the condition primitive integer solutions of the Diophantine Pithagorean equation x2+y2=z2 It is known that for this purpose it is enough to find primive solution of x, y such that x is even and y is odd. In this paper, in particular, we proved that the z of a primitive solution is a Prime number of the form 4k+1. It is prove in this paper that any right triangle with integer side lengths has a hypotenuse equal to a Prime of the form 4k+1and we show with the help of the descent axiom how to find primitive solutions of x and y in this case. We divide the search for primitive solutions (x, y, z) of right triangles into two cases: 1) the hypotenuse of such triangles is a Prime number of the form 4k+1 and 2) the hypotenuse of such triangles is a composite number. In section 3 we use formulas known to the ancient Hindus to find primitive solutions of Pithagorean equations in cases where m and n
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