Mathematics
Profile Activity
Meta user
Network profile
76,530
reputation
5
50
98

DeepSea

Math Interest: Mostly Analysis + Inequalities. The goal is to learn ideas and techniques from advanced users, and not to try to have so many unnecessary posts. To be an informed and educated user at MSE.

3,778
answers
22
questions
~2.7m
people reached
  • Arctic Archipelago
  • Member for 7 years, 4 months
  • 10,274 profile views
  • Last seen 22 mins ago

Communities (2)

Top network posts

We respect a laser-like focus on one topic.

Top tags (354)

Score 1,316
Posts 810
Posts % 21
Score 795
Posts 494
Score 754
Posts 391
Score 656
Posts 344
Score 648
Posts 358
Score 647
Posts 390
View all tags →

Top posts (3,800)

All Questions Answers
Votes Newest
61 Is there a way to write an infinite set that contains only irrational numbers without integer multiples? Apr 24 '16
36 How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational? Mar 26 '15
35 Prove that if a group contains exactly one element of order 2, then that element is in the center of the group. Jun 5 '14
32 Evaluating the indefinite integral $ \int \sqrt{\tan x} ~ \mathrm{d}{x}. $ Jun 10 '14
23 Limit of n-th root of $1/n$ Jul 21 '14
20 What is the $\lim_{n\rightarrow \infty }(1+\frac{1}{n})^{n^n}$ May 22 '15
20 Prove that if a sequence $\{a_{n}\}$ converges then $\{\sqrt a_{n}\}$ converges to the square root of the limit. Sep 7 '14
19 Is the max of two differentiable functions differentiable? Apr 22 '15
19 How to evaluate $\lim\limits_{n\to \infty}\prod\limits_{r=2}^{n}\cos\left(\frac{\pi}{2^{r}}\right)$ Dec 8 '14
17 Find $S = \frac{a}{b+c}+\frac{b}{c+a} + \frac{c}{a+b}$ if values of $a+b+c$ and $\frac1{a+b}+\frac1{b+c}+\frac1{a+c}$ are given Jun 7 '17
View all questions and answers →

Badges (153)

Gold

5

Rarest

Silver

50

Rarest

Bronze

98

Rarest

View all badges →