Discontinuous derivative
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Revision as of 10:55, 13 February 2019 by A WASSERMANN (talk | contribs)
Consider the function
- [math] f: \mathbb{R} \to \mathbb{R}, x \mapsto \begin{cases} x^2*sin(1/x),& x\neq 0\\ 0, x=0 \end{cases} [/math]
