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Mathematics
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zhw.

Cauchy is mad and there is nothing that can be done about him, although, right now, he is the only one who knows how mathematics should be done. – Abel

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Top Posts (3,187) All Questions Answers | Votes Newest

49 How to show that $\int\limits_1^{\infty} \frac{1}{x}dx$ diverges(without using the harmonic series)? Jul 16 '15
29 Does there exists an entire function $f: \mathbb C \to \mathbb C$ which is bounded on real line and imaginary line? Jun 28 '15
20 Let $S\subset [0,1]^2$ be uncountable. Is there a line which contains infinitely many points of $S$? Sep 30 '17
19 Is there a continuous function from $[0,1]$ to $\mathbb R$ that satisfies Aug 30 '15
17 How do i find this limit WITHOUT L'hôpitals rule May 16 '17
16 Help on a Putnam Problem from the 90s Oct 6 '16
16 Show that $f$ is the zero function if $f''(x)=f(x)$ and $f(0)=f'(0)=0$ Dec 2 '16
15 What's wrong with l'Hopital's rule? May 17 '15
15 Mutually exclusive countable subsets of a countable set Oct 25 '15
12 Computing $\lim_n \frac{n}{2^n}\sum_{k=1}^n \frac{2^k}{k}$ Jan 10 '17
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