MathDB
inequality

Source:

January 31, 2016
inequalitiesInequality

Problem Statement

For all x2x \geq 2, y2y \geq 2 real numbers, prove that x(4xy1+12y+x)+y(y6x9+12x+y)>263x(\frac{4x}{y-1}+\frac{1}{2y+x})+y(\frac{y}{6x-9}+\frac{1}{2x+y}) > \frac{26}{3}