Math Problem Statement
soit la suite (Un): Un = 4/9rac(n+4). A partir de quel rang n, a-t-on 0 < Un <ou= 10^-2
Solution
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Math Problem Analysis
Mathematical Concepts
Sequences
Inequalities
Square Roots
Formulas
Un = 4/(9√(n+4))
0 < Un ≤ 10^-2
Multiplication and division of both sides of inequalities
Theorems
Properties of inequalities
Square root properties
Solving equations involving radicals
Suitable Grade Level
Grades 10-12