Limite avec exp(ax+b) et (cx+d)

Soit f la fonction définie sur ];+[ par : f(x)=e ().

On a donc f=vexp(u) avec, pour tout réel x de ];+[, u(x)=   et   v(x)=.

Le but de cet exercice est de calculer la limite de f en .

Consignes de saisie
écrire +inf pour désigner +
écrire -inf pour désigner
  • Donner la limite de v en :
    lim x =


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