Math Problem Statement
Soit ( (u_n) ) la suite définie par ( u_n = n^3 - 4 ). Déterminer la limite de la suite ( (u_n) ). Déterminer le plus petit entier ( n ) tel que : a) ( u_n > 100 ). b) ( u_n \geq 1000 ). c) ( u_n > 10000 ).
Solution
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Math Problem Analysis
Mathematical Concepts
Sequences
Limits
Inequalities
Formulas
u_n = n^3 - 4
lim_{n \to +\infty} u_n = +\infty
n^3 > a, solve for n
Theorems
Limit of a sequence tending to infinity
Cubic root estimation
Suitable Grade Level
Grades 10-12