myscript109.py

Created by fatoundira

Created on November 28, 2023

441 Bytes


# Type your text here
Fonct pol deg 2 =ax2 +bx+c
form cano=a(x-alfa)2+ beta
tabl variation: a inf 0 on monte puis descend
alpha=-b/2a
beta=f(a)
delta =b2-4ac
delta sup 0=2 solution reel 
-b-racin de delta/2a
delta=0 =-b/2a
factorisation
delt sup 0 = a(x-x1)(x-x2)
delta=0 =a(x-xo)2
 si a inf 0 on monte puis des
 commence par -
 si a supp 0 descend puis monte
 commence par +
 somme de racine:
   x1+x2=-b/a
   x1x2= c/a
 

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