Question

qual o valor de
lim x-5/x3-7
x=3
questão de cálculo 1

Answer 1

$[tex]\lim_{x \to 3} \frac{ x-5}{x^3-7 } \\ f(x)=\frac {3-5}{27-7}\\ f(x)=\frac {-2}{20}\\ f(x)=\frac {-2}{-20}\\f(x)=\frac {-1}{10}$[/tex]

Sendo assim, $\lim_{x \to 3} \frac{ x-3}{x^3-7 }=-1/10$