Math Problem Statement
On définit la suite (un) uo = -1 par Un+1=24n+1 et la suite (vn) par vn = un-2 1) Calculer U1, U2, U3 et 4. (un) est-elle arithmétique? géométrique ? Pourquoi ? 2) Démontrer que (vn) est géométrique, donner son premièr terme et sa raison. En déduire que que pour tout ne IN, Un = (-3)x 3) Démontrer que (un) est croissante et converge vers 2.
Solution
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Math Problem Analysis
Mathematical Concepts
Sequences
Arithmetic Progressions
Geometric Progressions
Limits
Formulas
u_{n+1} = 2u_n + 1
v_n = u_n - 2
Geometric progression: v_{n+1} = r * v_n
Theorems
Geometric Sequence Theorem
Monotonicity and Limits
Suitable Grade Level
Grades 11-12
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