Math Problem Statement

demonstreaza ca x+y+z mai marev sau egal cu rad xy + rad yz + rad zx oricare ar fi x,y,z

Solution

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Math Problem Analysis

Mathematical Concepts

Inequalities
Cauchy-Schwarz Inequality
Square Roots

Formulas

Cauchy-Schwarz Inequality: (a^2 + b^2 + c^2)(x^2 + y^2 + z^2) ≥ (ax + by + cz)^2
Inequality: (x + y + z)^2 ≥ (√xy + √yz + √zx)^2

Theorems

Cauchy-Schwarz Inequality

Suitable Grade Level

Grades 11-12