Math Problem Statement
Mostre que, para quaisquer números reais a e b, se tem ||a| − |b|| ⩽ |a − b|
Solution
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Math Problem Analysis
Mathematical Concepts
Inequalities
Absolute Value
Real Numbers
Formulas
||a| − |b|| ⩽ |a − b|
|x + y| ≤ |x| + |y| (Triangle Inequality)
Theorems
Triangle Inequality
Suitable Grade Level
Grades 10-12
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