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DeepSea
  • Member for 8 years, 7 months
  • Last seen more than 1 year ago
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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.

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All Questions Answers
Score Newest
answer
61
Is there a way to write an infinite set that contains only irrational numbers without integer multiples?
Apr 24, 2016
answer
38
How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational?
Mar 26, 2015
answer
37
Prove that if a group contains exactly one element of order 2, then that element is in the center of the group.
Jun 5, 2014
answer
35
Evaluating the indefinite integral $ \int \sqrt{\tan x} ~ \mathrm{d}{x}. $
Jun 10, 2014
answer
24
Limit of n-th root of $1/n$
Jul 21, 2014
answer
22
Prove that if a sequence $\{a_{n}\}$ converges then $\{\sqrt a_{n}\}$ converges to the square root of the limit.
Sep 7, 2014
answer
20
What is the $\lim_{n\rightarrow \infty }(1+\frac{1}{n})^{n^n}$
May 22, 2015
answer
19
How to evaluate $\lim\limits_{n\to \infty}\prod\limits_{r=2}^{n}\cos\left(\frac{\pi}{2^{r}}\right)$
Dec 8, 2014
answer
19
Is the max of two differentiable functions differentiable?
Apr 22, 2015
question
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, 2017

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