# Answer to Question #2061 in Calculus for vinay

Question #2061

Evaluate lim x ->1(1/(1-x) -1/(1-x

^{2}))Expert's answer

<img src="/cgi-bin/mimetex.cgi?\lim_{x \to 1} (\frac{1}{1-x} - \frac{1}{1-x^2}) = \lim_{x \to 1} \frac{1+x -1}{1-x^2}= \\ \lim_{x \to 1} \frac{x}{1-x^2} \to \frac{1}{0}= \infty" title="\lim_{x \to 1} (\frac{1}{1-x} - \frac{1}{1-x^2}) = \lim_{x \to 1} \frac{1+x -1}{1-x^2}= \\ \lim_{x \to 1} \frac{x}{1-x^2} \to \frac{1}{0}= \infty" />

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