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/sci/ - Science & Math

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>> No.15067428 [View]
File: 2.51 MB, 2100x2500, __patchouli_knowledge_and_koakuma_touhou_drawn_by_wrevhy__8d26fff11d4808a9086d9abaf75caa0f.png [View same] [iqdb] [saucenao] [google]
15067428

>>15067356
That's not differentiable at 0.
He wants a function whose derivative exists everywhere but isn't continuous, methinks.
But I dunno any examples that fit his criteria so who cares lmao.

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