Skip to main content
Mathematics
user49640's user avatar
user49640's user avatar
user49640's user avatar
user49640
  • Member for 7 years, 5 months
  • Last seen more than 6 years ago
Profile Activity
Stats
2,744
reputation
93k
reached
99
answers
2
questions
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
9
silver badges
16
bronze badges
Top tags
View all tags
37
Score
15
Posts
15
Posts %
33
Score
13
Posts
13
Posts %
30
Score
11
Posts
11
Posts %
29
Score
10
Posts
10
Posts %
29
Score
9
Posts
9
Posts %
25
Score
7
Posts
7
Posts %
Top posts
View all questions and answers
15
Finding solutions to $2^x+17=y^2$
May 28, 2017
12
Good books on complex numbers
Jun 22, 2017
10
$f(x)=ax+b$ for some $a,b\in\mathbb{Q}$ if $f(\mathbb{Q})\subset\mathbb{Q}$ and $f(\mathbb{R-Q})\subseteq \mathbb{R}-\mathbb{Q}$
Mar 25, 2017
9
Convergence of infinite series involving factorials
Feb 20, 2017
7
Given that $a\cos\theta+b\sin\theta+A\cos 2\theta+B\sin 2\theta \leq 1$ for all $\theta$, prove that $a^2+b^2\leq 2$ and $A^2+B^2 \leq 1$
May 22, 2017
6
How to calculate product $\prod_{k=0}^{n-1}\left (1+\frac{1}{2^{2^k}}\right)$?
Jun 1, 2017
6
book recommendation for real analysis
Mar 30, 2017
6
showing $\mathbb{Q}$ is isomorphic to $\mathbb{R}$ or not as a group under addition
Jun 14, 2017
5
Collineations of the unit disk
Mar 30, 2017
5
Discuss the monotonicity of the following function without using differentiation.
Jun 16, 2017
Top Meta posts
2
2
5
Should this question have been closed?
Top network posts
View all network posts
5
"Aren't" instead "am not" for first person singular