Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta User
Network Profile
9,320
reputation
2
19
49

user26486

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

282
answers
80
questions
~275k
people reached
  • Member for 5 years, 5 months
  • 1,635 profile views
  • Last seen Dec 7 '18 at 20:34

Communities (30)

Top Meta Posts
9
0

Top Network Posts

Top Tags (113)

Score 251
Posts 158
Posts % 44
Score 104
Posts 42
Score 82
Posts 46
Score 74
Posts 27
Score 74
Posts 21
Score 62
Posts 52
View all tags →

Top Posts (362) All Questions Answers | Votes Newest

19 Prove that if $x_1,x_2,\ldots,x_n>0$, then $(1+x_1)(1+x_1+x_2)\ldots(1+x_1+x_2+\ldots+x_n) \ge \sqrt{(n+1)^{n+1}}\sqrt{x_1x_2\ldots x_n}$. Dec 22 '13
17 prove that the equation has just one root. May 18 '15
16 Prove the inequality using AM-GM inequality Jun 22 '15
12 Is it a composite number? Jun 17 '15
12 diophantine equation $x^3+x^2-16=2^y$ Apr 18 '15
11 Find all $x,y,z\in\mathbb N$, $x,y,z>1$ such that satisfy $x\mid yz+1$, $y\mid xz+1$, and $z\mid xy+1$ Jan 17 '14
11 If $a^4+b^4\in\mathbb Q$ and $a^3+b^3\in\mathbb Q$ and $a^2+b^2\in\mathbb Q$, prove that $a+b\in\mathbb Q$ and $ab\in\mathbb Q$. May 22 '14
11 How to deduce a closed formula given an equivalent recursive one? Aug 25 '14
10 Why can ALL quadratic equations be solved by the quadratic formula? Feb 3 '15
10 Compare two powers of numbers without common divisor Jun 1 '15
View all questions and answers →

Badges (70)

Gold

2

Rarest

Silver

19

Rarest

Bronze

49

Rarest

View all badges →