Resposta :
Resposta:
Lim √(x²-9)/(x-3)
x-->3⁺
Lim √[(x²-9)/(x-3)²]
x-->3⁺
Lim √[(x-3)*(x+3))/(x-3)²]
x-->3⁺
Lim √[(x+3)/(x-3)] = √[(3+3)/0⁺] = +∞
x-->3⁺
Resposta:
Lim √(x²-9)/(x-3)
x-->3⁺
Lim √[(x²-9)/(x-3)²]
x-->3⁺
Lim √[(x-3)*(x+3))/(x-3)²]
x-->3⁺
Lim √[(x+3)/(x-3)] = √[(3+3)/0⁺] = +∞
x-->3⁺