Question

What is the range of $\frac{x^2-1}{x^3-x}$?

Answer 1

Answer:

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Answer 2

Answer:

1/x

Step-by-step explanation:

x²-1 ÷ x³ - x

= (x+1)(x-1) ÷ x(x²-1)

= (x+1)(x-1) ÷ x(x+1)(x-1)

= 1/x