Mathematics
Profile Activity
Meta user
Network profile
14,122
reputation
1
18
41

Kim Jong Un

Apparently, this user prefers to keep an air of mystery about them.

472
answers
49
questions
~331k
people reached
  • Member for 6 years, 11 months
  • 3,110 profile views
  • Last seen Oct 20 '20 at 20:49

Communities (20)

Top network posts

Top tags (195)

Score 186
Posts 68
Posts % 13
Score 127
Posts 47
Score 105
Posts 59
Score 98
Posts 54
Score 94
Posts 55
Score 87
Posts 47
View all tags →

Top posts (521)

All Questions Answers
Votes Newest
35 Discrete math. Finding a perfect square. Oct 2 '14
23 Proving that for when AB = 2BA, then B is not invertible if A is invertible. Mar 27 '15
22 Maximum value of $\sin A+\sin B+\sin C$? Oct 25 '14
19 If $5x+7y=2011$ show that $285<x+y<403$ Jul 18 '15
18 Why is $n^2+4$ never divisible by $3$? Apr 29 '15
17 what would be the way to solve a system of equations like this one? Sep 10 '14
15 Solving a functional equation $f(x)+f\left(\frac{1}{1-x}\right)=x$ Dec 17 '15
13 Bound for $\left|\sin(x) +\cos(x)\right|$ Sep 9 '14
11 When is the difference of two convex functions convex? Oct 5 '14
11 Proof that every number ≥ $8$ can be represented by a sum of fives and threes. Mar 8 '15
View all questions and answers →

Badges (60)

Gold

1

Rarest

Silver

18

Rarest

Bronze

41

Rarest

View all badges →