MathDB
Solve the equation for x,y,z ∈ Z

Source:

September 1, 2010
number theoryequationIMO ShortlistIMO Longlist

Problem Statement

Find all triples (x,y,z)(x, y, z) of integers such that 1x2+2y2+3z2=23\frac{1}{x^2}+\frac{2}{y^2}+\frac{3}{z^2} =\frac 23