Mathematics
user170231
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32
Does $\int_{-1}^1\frac{\arctan x}{\text{arctanh}\,x}\,\mathrm{d}x$ have a closed form?
Jun 2 '15
15
Why doesn't using the approximation $\sin x\approx x$ near $0$ work for computing this limit?
Jun 25 '15
13
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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15
How can I generate an interrupted projection of a world map?
12
Removing all values from a list that satisfy a given condition
9
MovingAverage to include the average of the first and last elements in a list
7
Joining all the keys of a list of rules that point to matching values
6
Are there any mutagens that can undo the mutations they cause?

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