Math Problem Statement
PROBLEME : On étudie la suite (an) dite de Fibonacci définie par : a0 = 0 , a1 = 1 et, pour tout n dans N : an+2 = an+1 + an . A) 1°) Montrer que, pour tout n de N*, an N* . 2°) Montrer que la suite (an) est strictement croissante à partir du rang 2. 3°) Montrer que, pour tout n de N, an n – 1 .
Solution
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Math Problem Analysis
Mathematical Concepts
Recurrence Relations
Fibonacci Sequence
Mathematical Induction
Formulas
Fibonacci recurrence relation: an+2 = an+1 + an
Theorems
Mathematical Induction
Properties of Fibonacci sequence (strictly increasing)
Suitable Grade Level
Grades 10-12
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