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Mathematics
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sting890
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question
9
Iterative algorithm for $\pi$?
Aug 9, 2020
question
6
How do you prove $\pi =\sqrt{12}\sum_{n\ge 0}\frac{(-1)^n}{3^n(2n+1)}$?
Aug 10, 2020
question
6
Ramanujan's $\sqrt{\frac{\pi e}{2}}$ formula [duplicate]
Aug 17, 2020
question
3
Proof that $\sum_{n=0}^\infty \frac{x^n}{n!}=\lim_{n\to\infty}\left(1+\frac{x}{n}\right)^n$ for negative $x$
Aug 13, 2020
question
2
$\sum_{a\lt n\le b}\phi (n)=\int_a^b \phi (x)\, dx+\int_a^b (x-[x]-\frac{1}{2})\phi '(x)\, dx+(a-[a]-\frac{1}{2})\phi (a)-(b-[b]-\frac{1}{2})\phi (b)$
Aug 15, 2020
question
1
$\pi \cot\pi z\ne -\frac{1}{z}+\lim_{N\to\infty}\sum_{n=-N}^N\frac{1}{z+n}$
Aug 24, 2019
question
1
Proof that all non-trivial zeros of $\zeta (s)$ lie on the strip $0\lt \Re (s)\lt 1$
Sep 16, 2019
question
1
Inconsistent definitions of the domain of a function
Jul 15, 2020
question
1
Proof that $\frac{e^{\frac{\pi i}{4}}}{\sqrt{2}}\left(1+e^{-(2n+1)\frac{\pi i}{2}}\right)-e^{\frac{n^2\pi i}{2}}=0$
Jul 20, 2020
question
0
Calculatig $\zeta (0)$ from $\zeta (2n)=\frac{(-1)^{n+1}\mathrm B_{2n}(2\pi )^{2n}}{2(2n)!}$
Aug 24, 2019

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Aligning own operator with limits in MathJax (bug or not?)