The following identity can be used to find Pythagorean triples, where the expressions x2−y2, 2xy, and x2y2 represent the lengths of three sides of a right triangle;Use the identity (x^2y^2)^2=(x^2−y^2)^2(2xy)^2 to determine the sum of the squares of two numbers if the difference of the squares of the numbers is 5 and the product ofMiddle School Grade 8
Nt Number Theory Is There A Topograph For Pythagorean Triples Mathoverflow