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What is the limit as $x \to 1$ of the function

$$ f(x) = \frac{x^4-1}{x^3-1} . $$

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    Do you mean $$\frac{x^4-1}{x^3-1}?$$2012-08-30
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    Yes. My Professer wasn't very clear on how to find the limit and I am very confused2012-08-30
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    Related: http://math.stackexchange.com/questions/33970/finding-the-limit-of-fracqnpn-where-q-p-are-polynomials The correct change of variables, $x\rightarrow \frac{1}{x-1}$ tells us about your limit above.2012-08-30

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