maths.py

Created by lavelleoihan18

Created on October 03, 2023

887 Bytes


somme:
  l/l=L+L
  L/+inf=+inf
  L/-inf=-inf
  +inf/+inf=+inf
  -inf/-inf=-inf
  +inf/-inf=FI
produit:
  L/L'=LL'
  L0 ou +inf * +inf=+inf
  L0 ou -inf * +inf=-inf
  L0 ou +inf * -inf=-inf
  L0 ou -inf * -inf=+inf
  0 * -Inf ou * inf=FI
quotient:
  L/L'pas=0=L/L'
  L/+inf ou -inf=0
  L0 ou +inf/0 et vn0=+inf
  L0 ou +inf/0 et vn0=-inf
  L0 ou -inf/0 et vn0=-inf
  L0 ou -inf/0 et vn0=+inf
  
Sens de variation:
  u(n+1)-(un) ou u(n)=f(n)
  
récurence:
  I; La propriété est vrai au rang initial
  H; On suppose qu'il existe un entien k0 tel que u(k)=...
  On montre que u(k+1)=...
  On sait que u(k)=...
  C;La propriété est vrai au rang initial et est héréditaire donc pour tout nEN,
  u(n)=...
  
Convergence:
  si u(n) croissante + majorée converge vers LM
  si u(n) decroit + minorée converge vers LM
Géométrique:
  u(n+1) en fonction de v(n+1)
  V0 * q2
  

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