Mathematics
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N.S.JOHN
  • Member for 6 years, 4 months
  • Last seen more than a week ago
  • India
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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

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All Questions Answers
Score Newest
answer
13
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
6
Find all positive solutions such that $n^2 + 9n +1$ is a perfect square
Oct 16, 2016
question
5
Given $ x_1 + x_2 + .... + x_{1994} = 1994$ find all $x_i$
Jan 27, 2017
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
Jan 29, 2017
answer
4
Find the remainder when a large number is divided by 35.
May 22, 2016
answer
4
Greatest possible perimeter
Aug 13, 2016
question
4
Given $\frac1{x+y+z}=\frac1x+\frac1y+\frac1z$ what can be said about $(x+y)(y+z)(x+z)$?
Oct 8, 2016
question
3
Fraction Sum Series
Feb 13, 2016

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