Skip to main content
Mathematics
JAB's user avatar
JAB's user avatar
JAB's user avatar
JAB
  • Member for 2 years, 10 months
  • Last seen this week
Profile Activity

Stats

971
reputation
9k
reached
0
answers
46
questions
Communities
View all

About

Learning math not for the grades, but for the fun and satisfaction it brings.

Badges

View all badges
This user doesn’t have any gold badges yet.
4
silver badges
10
bronze badges

Top tags

View all tags
0
Score
19
Posts
41
Posts %
0
Score
8
Posts
17
Posts %
0
Score
7
Posts
15
Posts %
0
Score
7
Posts
15
Posts %
0
Score
6
Posts
13
Posts %
0
Score
6
Posts
13
Posts %

Top posts

View all questions and answers
9
Proving $a^{2}+b^{2}+c^{2} + \sqrt[3]{abc} \ge 4$
Jan 28, 2025
8
Showing $\sqrt{5} + \sqrt{6} + \dots + \sqrt{13}$ is between $26$ and $27$ without a calculator
Feb 23
5
Proving $x^{2m+1} - a^{2m+1} = (x-a)\prod_{r=1}^{m} \left(x^{2} - 2ax \cos \left( \frac{2 \pi r}{2m+1}\right) + a^{2}\right)$ by induction.
Apr 23
4
Evaluation of $\int_{0}^{\infty} \frac{dx}{bx^{4}+2ax^{2}+c}$
Apr 22
3
$(w_{1},w_{2},w_{3},\dots,w_{7})$ integers with $20\le w_{i} \le 22$ such that $\sum_{i=1}^{7}w_{i} = 148$
Jul 5, 2024
3
Confusion about how this part of inequality is true.
Aug 24, 2024
3
Minimum of $xy$ in $x+y^{2}+x^{3}=1481$
Sep 18, 2024
3
Is there something missing with this simple geometry problem?
Dec 6, 2025
2
Maximum of $x+y+z$
Feb 12, 2024
2
How many pairs $(a,b)$ such that $\frac{x}{a}+\frac{y}{b}$ is in set $S=\{x \in \mathbb{R} : 0 \le x \le 1\}$?
Mar 11, 2024