Math Problem Statement

Как перейти от неравенства треугольника вида |x-y|<=|x-z|+|z-y| к классическому неравенству треугольника для вещественных чисел вида |x+y|<=|x|+|y|

Solution

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Math Problem Analysis

Mathematical Concepts

Algebra
Triangle Inequality
Absolute Value
Real Numbers

Formulas

|x - y| ≤ |x - z| + |z - y|
|x + y| ≤ |x| + |y|

Theorems

Triangle Inequality Theorem

Suitable Grade Level

Grades 10-12