**TI82** TxtView file generated by CalcText - Kouri¤ •Lnxxx•“˙Ln(x)Ln Pigskiller 11:38 12/06/2005 ->TH .a>0 et b>0 ln(a*b)=ln(a)+ln(b) ln(1/b)=-ln(b) ln(a/b)=ln(a)-ln(b) ln(a^n)=n*ln(a) ln(racine (a))=1/2*ln(a) ->TH la fonct ln(x) est continue,derivable et strictement croissante sur R*+ (ln(x))'=1/x lim (x->+infini) ln(x) = +infini lim (x->0 (>0)) ln(x) = -infini lim (x->+infini) ln(x)/x^n = 0 lim (x->0 (>0)) ln(x)*x^n = 0 ˙ŕq