Math Problem Statement
Докажи обратное неравенство треугольника для вещественных чисел
Solution
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Math Problem Analysis
Mathematical Concepts
Inequalities
Triangle Inequality
Absolute Value
Real Numbers
Collinearity
Formulas
|a| + |b| ≤ |c|
a = λb (where λ ≥ 0)
Theorems
Reverse Triangle Inequality
Suitable Grade Level
Grades 11-12 (Pre-university level)