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Mathematics
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Woria's user avatar
Woria's user avatar
Woria
  • Member for 10 years, 6 months
  • Last seen more than 6 years ago
  • Kurdistan, Hawlir, Soran, Soran University
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Top posts
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20
Calculating the number of possible paths through some squares
Jan 12, 2014
7
A metric that makes $l^\infty$ separable
Dec 1, 2014
7
Dirichlet kernel identity $\sum\limits_{k=-n}^{n}e^{ikx}=1+ 2\sum_{k=1}^{n}\cos(kx)$
Mar 5, 2014
6
G is group of order pq, pq are primes
Mar 3, 2014
5
Inverse Function (and WolframAlpha gives different Result)
Jan 9, 2014
4
Prove that $A$ cannot be invertible if $A^2=0$
Jul 1, 2016
4
Question on Principle of Inclusion Exclusion
Jan 6, 2014
4
Proof involving a summation: $\sum_{i<j}(x_i +x_j) = (n-1)\sum x_i$
Jan 6, 2014
4
Basic proof problem from "How to Prove it A Structured Approach"
Jan 15, 2014
4
Number of integral solutions to a linear inequality
Apr 11, 2016
Top network posts
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13
Pascal's Triangle + Fibonacci Numbers
7
How to mark student's answer, when you realize that he/she just memorized the answer?