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Mathematics
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James Pak's user avatar
James Pak's user avatar
James Pak
  • Member for 9 years, 9 months
  • Last seen more than a month ago
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43
How many ways can $133$ be written as sum of only $1s$ and $2s$
May 6, 2015
17
Could a square be a perfect number?
Mar 17, 2016
13
Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$
Jun 18, 2015
5
Number of divisors of the form $(4n+1)$
Jul 26, 2015
4
I need Integer Solution to this Equation
Jun 21, 2015
3
How to solve this limit: $\lim_{n \to \infty} \frac{(2n+2) (2n+1) }{ (n+1)^2}$
Oct 13, 2015
3
Combinatorial Proof of a Simple Identity
Aug 26, 2015
3
Error in my proof?
Apr 18, 2015
3
Question on proving quadratic inequality
Jul 9, 2015
3
Estimate $\int^1_0 e^{-x^2}\, dx$
Apr 27, 2015