sdfgdfg.py

Created by aksil69140

Created on October 09, 2024

476 Bytes


un  u0 plus r x n si u0
un u1 plus r x n si u1

sens de variation croisant
si raison est positive
et decroissant si raison negative

exemple calculer u12 4 u0 ou u1
plus raison x 12 

 
 ex calculer 25 em terme on
 ron enleve-1
 donc u24 4plus 3 x 24
 
 ex calculer somme plus 1 nb trme
ex  37  
38 x u0 plus u37 / 2
38X4 plus 115 /
 pour calculer u37 dernier term
 
 4plus 3 X37 115
 
 
 moy aritmetique
 aplus b /2 
 
 exprimer fonction n
 un plus 1 un plus r

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