Respuesta :

Do L'hospital's rule.

[tex] \lim_{x \to 1} \frac{x^{1000}-1}{x-1}= \lim_{x \to 1} \frac{(x^{1000}-1)'}{(x-1)'}= \lim_{x \to 1} \frac{1000x^{999}}{1}= \\ \\ \frac{1000\times1^{999}}{1}=\frac{1000}{1}=1000[/tex]