mathsc.py

Created by lekiksdu04-1

Created on May 14, 2025

945 Bytes


Primitive 

f(x)=x.      F(x)=x2/2



f(x)=x3.    F(x)=x4/4



f(x)=5/x.   F(x)=5ln(x)



f(x)=1/x2.  F(x)=-1/x



f(x)=1/x4.  F(x)=1/(n-1)x3



f(x)=1/racine x   F(x)=2racine x 



Domaine 



f(x)=u +v.    F(x)=u+v



f(x)=uun.     F(x)=1/n+1 x un+1



f(x)=u/u.      F(x)=ln(u)



f(x)=u/racine u. F(x)=2racine u 



f(x)=u/un.    F(x)=-1/n-1 x 1/un-1



m=1/b-a intégrale b/a f(x) dx 



Soit f une fonction continue sur lintervalle considéré.



Laire recherchée correspond à une aire sous la courbe de la fonction f, 
entre x = a et x = b.



Puisque f(x) plus grand que 0 sur lintervalle, lintégrale donne
directement laire.



On cherche donc à calculer lintégrale de 

Intégrale de b/a f(x) dx 



Si on compare deux courbes :

On cherche laire comprise entre les courbes de f et g, sur 
lintervalle [a; b].



On a f(x) plus grand  g(x) sur lintervalle, donc 

Intégrale de b/a f(x) - g(x) dx 

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