As of May 31, 2023, we have updated our Code of Conduct.
Mathematics
Raul Fernandes Horta's user avatar
Raul Fernandes Horta's user avatar
Raul Fernandes Horta's user avatar
Raul Fernandes Horta
  • Member for 6 months
  • Last seen this week
Profile Activity
Stats
410
reputation
1k
reached
16
answers
3
questions
Communities
Badges
This user doesn’t have any gold badges yet.
1
silver badge
8
bronze badges
Top tags
View all tags
7
Score
6
Posts
32
Posts %
6
Score
3
Posts
16
Posts %
6
Score
1
Posts
5
Posts %
6
Score
1
Posts
5
Posts %
4
Score
3
Posts
16
Posts %
2
Score
3
Posts
16
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
6
Is there another way of solving this binomial problem?
Dec 19, 2022
answer
4
Prove that $a_{1}a_{2} +a_{2} a_{3} +a_{3} a_{1} \leq 2$
Dec 4, 2022
answer
3
Let $f:\mathbb R\to\mathbb R$ be differentiable. Assume $f(n)\to2$ as $n\to\infty$, and $f'(x)\to0$ at infinity. Show $f(x)\to2$ at infinity.
Dec 1, 2022
answer
3
Algebraic calculation with polynomial and complex root.
Dec 17, 2022
answer
2
f is continuously differentiable and $f'(0) \neq 0$ and $f(0) = 0$. show that $\int_0^1\frac{1}{f(\sqrt{x})}$ converges
Dec 2, 2022
answer
2
How to prove identity $\sum_{k=0}^{n-1}\tan^2\left(\theta+{k\pi\over n}\right)=n^2\cot^2\left({n\pi\over2}+n\theta\right)+n(n-1)$?
Dec 10, 2022
answer
2
$L^p$ space inequality
Dec 19, 2022
answer
2
Diophantine Equations Problem
Jan 3
answer
1
How to find the max of this function over this strange interval?
Dec 1, 2022
answer
1
An explicit real sequence with certain properties
Dec 3, 2022

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.