Math Problem Statement
resoudre sur R (x-1)/(x+1)<2/(x-1)
Solution
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Math Problem Analysis
Mathematical Concepts
Inequalities
Rational Expressions
Quadratic Equations
Formulas
Rational inequality: (a/b) < (c/d)
Quadratic equation: ax^2 + bx + c = 0
Discriminant formula: Δ = b^2 - 4ac
Theorems
Properties of rational expressions
Quadratic discriminant
Suitable Grade Level
Grade 10-12