nchap.py

Created on May 04, 2023

461 Bytes

# Type your text here# Type your text here
suite arithmetique = addition 
formule par recurrence
  Un+1=un+r
        explicite
  UO=un=u0+nxr
  U1=un=u1+(n-1)xr
moyenne arithmetique
(a+b)/2
a b c sont des termes consecutifs si 
b=(a+c)/2

somme des termes consecutifs 
Sn=nbr termes*(1er+dernier)/2

comparer les suites 
suites geometriques=
  un=u1xqpuissance(n-1)
sommes des termes geometriques
  Sn=1er termes*1-q puissance nombres de termes/1-q

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