If $x$ and $y$ are real numbers, prove that $\frac{4x^2+1}{y^2+2}$ is not integer
Problem
Source: Regional Olympiad - Federation of Bosnia and Herzegovina 2013
Tags: number theory, Integer
Source: Regional Olympiad - Federation of Bosnia and Herzegovina 2013
Tags: number theory, Integer
If $x$ and $y$ are real numbers, prove that $\frac{4x^2+1}{y^2+2}$ is not integer