Mathematics
Rasputin's user avatar
Rasputin's user avatar
Rasputin's user avatar
Rasputin
  • Member for 8 years, 5 months
  • Last seen more than a month ago
Profile Activity
Stats
874
reputation
18k
reached
5
answers
36
questions
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
5
silver badges
15
bronze badges
Top tags
View all tags
2
Score
6
Posts
15
Posts %
0
Score
11
Posts
27
Posts %
0
Score
8
Posts
20
Posts %
0
Score
5
Posts
12
Posts %
0
Score
5
Posts
12
Posts %
0
Score
5
Posts
12
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
16
If 5 points are necessary to determine a conic, why are only 3 necessary to determine a parabola?
Apr 10, 2016
question
7
Is $\sum\limits_{k=0}^{n} {{n}\choose{k}}\frac{(-1)^{k}}{2k+2}$ equal to $\frac{1}{2n+2}$?
Jan 10, 2017
question
4
Help resolving this contradiction in descriptions of the fundamental groups of the figure eight and n-torus
Jan 14, 2018
question
4
Is it true that $\sum_{S \subset N \setminus \{i\}} {|S|!(n-|S|-1)!}=n!$, where $N=\{1, 2, \dots, n\}$ and $i \in N$?
Jul 16, 2018
question
3
Which statement "must be false"?
Jul 16, 2015
question
2
Does a vector space equaling the direct sum of W and X as well as W and Y imply X=Y?
Dec 23, 2016
question
2
If $c\leq{a}\leq{d}$ and $c\leq{b}\leq{d}$, why is $\mid {a-b} \mid \leq d-c$?
Jan 7, 2017
question
2
Why are all finite subgroups of the group $S^1$ of complex roots of unity cyclic?
Jan 9, 2017
question
2
Computing the Fourier series of $f(\theta)=\frac{\pi}{\sin\pi\alpha}e^{i(\pi-\theta)\alpha}$ for $x\in[0, 2\pi]$
Mar 11, 2017
question
2
If $\sum_{i=k}^n {n \choose i} p^{i}(1-p)^{n-i} \approx 0.05$, how can we find $k$?
Jun 22, 2020
Top network posts
View all network posts
18
Why were balls used on the Medici coat of arms?
15
Were there any pilots that declined to carry out the atomic bombing of Hiroshima and Nagasaki?
13
Why didn't China vote in UNSC Resolution 344?
12
Have there been any nuclear accidents in the US at nuclear facilities which were not "commercial"?
5
Where can I find ranges of isotope abundances?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.