Exista functii derivabile cu derivata nemarginita?

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Alin Galatan
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Exista functii derivabile cu derivata nemarginita?

Post by Alin Galatan »

Exista functii definite pe un interval compact, derivabile, cu derivata nemarginita?
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aleph
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Post by aleph »

\( f:[-1,1] \to \mathbb{R}, f(x) = x^2 \sin(1/x^2) \) pentru \( x \ne 0, f(0) = 0 \).
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