suites.py

Created by anaali

Created on February 11, 2024

668 Bytes

# Type your text here
'''
croissante : U(n+1)>Un
  
decroissante : U(n+1)<Un

minoree :Un>l
  
majorée : Un<l

convergente 
  Un croissante et majoree
            ou
  Un decroissante et minoree
____________________________
Suite geometrique:
  Vn = V(k)* q**(n-k)
  
  Sens de variation:
    Uo>0 
    q>1 Un croissante
    0<q <1 Un décroissante
    q<0 Un n'est pas monotone
  
   S=1+q**1+q**2...+q**n
    =(1-q(n+1)) /(1-q)
____________________________
Suite arithmetique:
  Un = U(k)*(n-k)r
  
  Croissante: U(n+1)>Un
  r>1
  r<1
  
  S=1+2+...+n =(n(n+1)/2

convergente tend nombre fini
divergente tend infini ou pas de limite.
    
'''

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