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Let $f (x) = \{\begin{cases} {(x - 1)}^{2} \cos \frac{1}{x - 1} - |x|, x \neq 1 \\ - 1, x = 1 \end{cases} .$ The set of points where $f (x)$ is not differentiable is

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f(x)=x−12cos1x−1−x,x≠1−1, x=1. xis not differentiable at x=0

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Let f(x)=x−12cos1x−1−x,x≠1−1, x=1. The set of points where f(x) is not differentiable is

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Ready to Test Your Skills?

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Let $f (x) = \{\begin{cases} {(x - 1)}^{2} \cos \frac{1}{x - 1} - |x|, x \neq 1 \\ - 1, x = 1 \end{cases} .$ The set of points where $f (x)$ is not differentiable is