Math Problem Statement

Cho x,y,z là các số thực thỏa mãn x^2 = y+2; y^2 = z+2 ; z^2 = x+2. CMR: x+y+z nhận giá trị nguyên

Solution

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Math Problem Analysis

Mathematical Concepts

Quadratic Equations
Symmetric Equations
Sum of Variables

Formulas

Quadratic equation
Sum of squares

Theorems

Symmetric equations solutions

Suitable Grade Level

High School