6 Answered Questions

[SOLVED] Can you make a sphere out of a plane?

  • 2020-03-29 09:11:16
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  • Tags:   geometry spheres

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[SOLVED] Why does intersection always preserve "closed" structures?

  • 2020-03-30 21:08:43
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  • Tags:   soft-question

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[SOLVED] The equation $\sigma(n)=\sigma(n+1)$

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[SOLVED] What exactly is an arrow in a category?

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2 Answered Questions

[SOLVED] Misunderstanding the Taylor Remainder Theorem

3 Answered Questions

[SOLVED] Spivak Chapter 10, Problem 29 : why is this true?

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Proving $\sin(\tanh x) \ge \tanh(\sin x)$, for $x \in [0,\pi/2]$