Skip to main content
Mathematics
user300045's user avatar
user300045's user avatar
user300045's user avatar
user300045
  • Member for 9 years, 4 months
  • Last seen more than 6 years ago
Profile Activity
Stats
3,479
reputation
121k
reached
0
answers
230
questions
Communities
View all
Badges
View all badges
1
gold badge
20
silver badges
43
bronze badges
Top tags
View all tags
0
Score
62
Posts
27
Posts %
0
Score
48
Posts
21
Posts %
0
Score
37
Posts
16
Posts %
0
Score
15
Posts
7
Posts %
0
Score
15
Posts
7
Posts %
0
Score
15
Posts
7
Posts %
Top posts
View all questions and answers
11
Proof without using induction [duplicate]
May 8, 2015
11
Find $\lim\limits_{n\to\infty}\left(\frac{a_1}{a_2}+\frac{a_2}{a_3}+\frac{a_3}{a_4}+...+\frac{a_n}{a_1}\right)$
Sep 23, 2015
10
Prove: ${n\choose 0}-\frac{1}{3}{n\choose 1}+\frac{1}{5}{n\choose 2}-...(-1)^n\frac{1}{2n+1}{n\choose n}=\frac{n!2^n}{(2n+1)!!}$
Oct 29, 2015
9
Proving that $1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+\cdots+\frac{1}{2n-1}-\frac{1}{2n}=\frac{1}{n+1}+\frac{1}{n+2}+\cdots+\frac{1}{2n}$
Aug 7, 2015
9
Prove $\lim\limits_{n\to\infty}\frac{1}{\sqrt[n]{n!}}=0$
Jun 10, 2015
6
Prove that matrix equation $AX-XA=I$ doesn't have a solution for any $A\in M_n(\mathbb{R})$
Dec 5, 2015
5
Prove: $2005|\underbrace{5 5\cdots 5}_{800\text{ digits}}$
Nov 23, 2016
5
Find $\lim\limits_{n\to+\infty}\sqrt[n]{\prod\limits_{k=1}^{n}{n\choose k}}$
Aug 18, 2015
5
Find general solution for the differential equation $x^3y^{'''}+x^2y^{''}+3xy^{'}-8y=0$
Dec 17, 2015
5
Find the sum of series $\displaystyle \sum_{n=0}^{+\infty}\frac{(-1)^n}{2(n+1)(2n+1)}$
Mar 11, 2017
Top network posts
View all network posts
10
Error occurred during initialization of boot layer - Eclipse Java