Skip to main content
Mathematics
nonuser's user avatar
nonuser's user avatar
nonuser's user avatar
nonuser
  • Member for 7 years, 5 months
  • Last seen more than 1 year ago
Profile Activity
Stats
506
reputation
7k
reached
0
answers
24
questions
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
3
silver badges
13
bronze badges
Top tags
View all tags
0
Score
8
Posts
33
Posts %
0
Score
8
Posts
33
Posts %
0
Score
5
Posts
21
Posts %
0
Score
4
Posts
17
Posts %
0
Score
4
Posts
17
Posts %
0
Score
3
Posts
12
Posts %
Top posts
View all questions and answers
question
11
Prove that: $1-\frac 12+\frac 13-\frac 14+...+\frac {1}{199}- \frac{1}{200}=\frac{1}{101}+\frac{1}{102}+...+\frac{1}{200}$
Nov 3, 2017
question
5
Prove that, if $a,b,c$ are positive real numbers $\frac {a} {2a+b+c}+ \frac {b} {2b+a+c}+\frac {c} {2c+a+b}<\frac{19}{25}$
Nov 15, 2017
question
5
Find the minimum of $\frac{\sin x}{\cos y}+\frac {\cos x}{\sin y}+\frac{\sin y}{\cos x}+\frac{\cos y}{\sin x}$
Nov 30, 2021
question
5
Find the minimum posssible integer value of the summation
Dec 16, 2021
question
2
How can we solve this problem? $\frac{2^{m + n} - 2^m - 1}{3} \in N$
Oct 8, 2017
question
2
If $k \in \mathbb {N}$ and $n \in \mathbb {N}$ ; Prove that $\frac {2^{2 (3 k + n)} + 24 (4^k + 6)}{2 (4^{k + 3 n} - 216)}\notin \mathbb {N}$
Oct 11, 2017
question
2
Prove that, there no solution for $\left\{a_1,a_2,...,a_{16} \right\}\in \mathbb{R} $
Nov 18, 2017
question
2
What is the value of $\frac{\lim_{x\to 0^+}f(x)}{\lim_{x\to 0^+}g(x)}$
Dec 28, 2021
question
1
How can I evalute this product? [closed]
Sep 13, 2017
question
1
Find all real solutions of the equation: $x^5+5x^3+5x+2017=0$
Nov 28, 2017