Math Problem Statement

udowodnij ze dla dowolnych liczb rzeczywistych x i y prawdziwa jest nierownosc a)x^2+y^2-x(y+1)>=y-1

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Inequalities
Quadratic Expressions

Formulas

x^2 + y^2 - x(y + 1) >= y - 1
x^2 + y^2 - xy - x >= y - 1

Theorems

Basic inequality properties
Quadratic expressions simplification

Suitable Grade Level

Grades 10-12