Exercice 1 :
Calculer les limites suivantes :
1- lim x →1+ = √2x – 2 + √2x – √2 / √x2 – 1 2- lim x →0 = sin(x)sin(2x) / 1 – cos(x) 3- lim x →0+ = x / √1 + sin(x) – √1 – sin(x) 4- lim x →+∞ = cos(x) / x3
CORRECTION