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user170231

Apparently, this user prefers to keep an air of mystery about them.

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31 Does $\int_{-1}^1\frac{\arctan x}{\text{arctanh}\,x}\,\mathrm{d}x$ have a closed form? Jun 2 '15
14 Why doesn't using the approximation $\sin x\approx x$ near $0$ work for computing this limit? Jun 25 '15
12 What is an intuitive approach to solving $\lim_{n\rightarrow\infty}\biggl(\frac{1}{n^2} + \frac{2}{n^2} + \frac{3}{n^2}+\dots+\frac{n}{n^2}\biggr)$? Jul 27 '17
11 How to evaluate $\int \frac{1+x}{1+\sqrt x} dx$ Aug 15 '16
10 Are there certain conditions that $a_n$ must meet in order for this series to converge? Sep 25 '15
9 Why does this double infinite sum $\sum_{n=1}^\infty \sum_{k=n}^\infty\frac{1}{k!}$ converge to $e$? Jan 13 '16
9 Is Wolfram Alpha linear independence wrong or am I missing something? Aug 11 '16
8 Is it necessary to write limits for a substituted integral? Feb 19 '20
8 Computing $\sum\limits_{n=1}^\infty\frac{\sin n}{n}$ with residues Dec 29 '15
7 Use Fourier series of odd function to evaluate $1-\frac15+\frac17-\frac1{11}+\cdots$ May 8 '17
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