Relax

Respuesta :

[tex] \dfrac{x + 1}{x^3 - x} = \dfrac{x + 1}{x(x^2 -1) } = \dfrac{x + 1}{x(x - 1)(x + 1)} = \dfrac{1}{x(x-1)} = \dfrac{1}{x^2 - x} [/tex]


Answer: J