Skip to main content
Mathematics
N.S.JOHN's user avatar
N.S.JOHN's user avatar
N.S.JOHN's user avatar
N.S.JOHN
  • Member for 8 years, 8 months
  • Last seen this week
  • India
Profile Activity
Stats
1,559
reputation
38k
reached
45
answers
27
questions
Communities
View all
About

High school student. I am interested in combinatorics and algebra. I am also interested in Physics and in general all sciences, and enjoy visiting SE often. Living in Kerala, India

Badges
View all badges
This user doesn’t have any gold badges yet.
11
silver badges
26
bronze badges
Top tags
View all tags
18
Score
20
Posts
28
Posts %
17
Score
10
Posts
14
Posts %
14
Score
5
Posts
7
Posts %
11
Score
7
Posts
10
Posts %
10
Score
7
Posts
10
Posts %
9
Score
10
Posts
14
Posts %
Top posts
View all questions and answers
answer
12
Find minimal value of $abc$ if the quadratic equation $ax^2-bx+c = 0$ has two roots in $(0,1)$
Feb 8, 2017
question
11
Prove that $2^n+3^n $ is never a perfect square
May 21, 2016
question
7
Find all positive solutions such that $n^2 + 9n +1$ is a perfect square
Oct 16, 2016
question
5
How can we prove that a quadratic equation has at most 2 roots?
Mar 8, 2016
question
5
Given positive integers $ x , y$ and that $3x^2 + x = 4y^2 +y$ Prove that $x-y$ is a perfect square [duplicate]
Jan 29, 2017
question
5
Given $ x_1 + x_2 + .... + x_{1994} = 1994$ find all $x_i$
Jan 27, 2017
question
4
Given $\frac1{x+y+z}=\frac1x+\frac1y+\frac1z$ what can be said about $(x+y)(y+z)(x+z)$?
Oct 8, 2016
answer
4
Greatest possible perimeter
Aug 13, 2016
answer
4
Find the remainder when a large number is divided by 35.
May 22, 2016
question
3
Fraction Sum Series
Feb 13, 2016