Mathematics
user avatar
user avatar
user avatar
OMGsh
  • Member for 4 years, 3 months
  • Last seen more than a week ago
Profile Activity
Stats
203
reputation
698
reached
1
answer
8
questions
Communities
View all
Badges
This user doesn’t have any gold badges yet.
1
silver badge
5
bronze badges
Top tags
View all tags
0
Score
3
Posts
33
Posts %
0
Score
1
Posts
11
Posts %
0
Score
1
Posts
11
Posts %
0
Score
1
Posts
11
Posts %
0
Score
1
Posts
11
Posts %
0
Score
1
Posts
11
Posts %
Top posts
All Questions Answers
Score Newest
question
3
Looking for a combinatorial proof of $\sum_{k=0}^n \binom{n}{k} *2^k=\frac{3^n+(-1)^n}{2}$ where the sum over even numbers
May 1, 2018
question
3
How can I simplify $\sum_{i=1}^{n} \sin(x - y_i)$ to the form $Asin(x-y_0)$?
Aug 5, 2019
question
1
What attempts have been done to prove the continuum hypothesis?
Aug 9, 2018
question
0
Is this proof Ok? ( about computing languages with no loops)
Jan 13, 2019
question
0
Why is the representation in the ring of formal power series unique?
May 24, 2018
question
0
If $A=B\cup C$ and A is infinite so is B or C. Is there a better proof then this?
Apr 28, 2020
answer
0
How do I find the probability of occurrence of 2 events in this question?
Aug 13, 2018
question
-1
In which weak set theory model which has infinte cardinals $\aleph_0$ is not the minimal one?
Dec 24, 2019
question
-2
The multiplication is not definable in $\langle\mathbb{N}, +\rangle$ - is this proof valid? [closed]
Jan 4, 2020
Top network posts
View all network posts
19
Can I cause damage to electrical appliances by unplugging them when they are turned on?
6
What is the physiological background of the practice of opening the voice in theatre?

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.