arithmetique.py

Created on November 14, 2023

502 Bytes

formule de recurrence : un+1=un+r
formule explicite ou terme general
un=u0+nxr
si le premier terme est u1
un=u1+(n-1)xr
"la suite arithmetique de 1er terme_ et de raison_ est strictement croissante car_est plus grande que 0"
montrer qu'une suite est arithmetique 
calcul de la variation absolue : un+1-un
somme des termes : nb de terme x 1er terme + dernier terme divisé par 2
nb de termes : de u1 a u3 ca fait 3+u0=4
moyenne arithmetiquede deux nombres
1er nb+2e nb divisé par 2

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