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Mathematics
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N.S.JOHN
  • Member for 8 years, 8 months
  • Last seen more than 1 year ago
  • India
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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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11
Prove that $2^n+3^n $ is never a perfect square
7
Find all positive solutions such that $n^2 + 9n +1$ is a perfect square
5
How can we prove that a quadratic equation has at most 2 roots?
5
Given $\frac1{x+y+z}=\frac1x+\frac1y+\frac1z$ what can be said about $(x+y)(y+z)(x+z)$?
5
Find the remainder when a large number is divided by 35.