log.py

Created by fatoundira

Created on February 09, 2025

557 Bytes


# Type your text here
expo y =x = y =ln x  
ln (ex)=x
ln1=0=  ln e0=0
lne=1
ln1/e=-1
expo de ln 3=3
ln(axb)=ln a +lnb
ex+y=ex+ey
elna+lnb=...a xb
ln a/b=lna-lnb
ln1/b=ln1-lnb=-lnb
ln acarre=ln(axa)=2lna
ln apuissancep=pxlna
ln'x=1:x
l'u=u'/u
exemple g(x)=ln(5x-2)
u=(5x-2)
lna=lnb ce qui donne a=n
ln a inf ln b =a inf b
lim lnx en O =- inf 
lnx en + inf =+ inf
donc admets une asymptot vertic
signe de lnx
ln sup a 0
xsup a expo de O
x sup a 1
croissance comparee
lim en O de xlnx=O
lim en +inf lnx/x=0
lim taux daccroossm
lim en 0 ln (1+x)/x=1

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