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Chrome 49 with MathJax
by elim » Thu Mar 24, 2016 4:26 pm
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by elim
Thu Mar 24, 2016 4:26 pm
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Hidden Content Functionality
by admin » Mon Dec 03, 2012 2:59 pm
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by admin
Mon Dec 03, 2012 2:59 pm
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New User Registration
by admin » Wed Nov 14, 2012 7:09 pm
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by admin
Wed Nov 14, 2012 7:09 pm
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A kind of polynomial: $\int_0^1 P^2 = (n+1)(\int_0^1 P)^2$
by elim » Mon Mar 05, 2012 8:49 am
in Analysis
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- 3809
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by elim
Mon Mar 05, 2012 8:49 am
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Show a set of numbers are irrational
by elim » Sat Feb 04, 2012 10:18 am
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- 3649
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by elim
Sat Feb 04, 2012 10:18 am
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Pell's equation $m^2 = pn^2+1$ ($p$ is prime)
by elim » Tue Nov 15, 2011 10:50 am
in Algebra
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- 2299
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by elim
Tue Nov 15, 2011 10:50 am
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If n ≥ 4, then k ≥ 2n - (IMO SL 1987-P2)
by elim » Fri Oct 07, 2011 3:54 pm
in Combinatorics
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- 4033
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by elim
Fri Oct 07, 2011 3:54 pm
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Bosnia 2009 Problem 6
by elim » Wed Sep 28, 2011 12:53 pm
in Number Theory
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- 2301
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by elim
Wed Sep 28, 2011 12:53 pm
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A property of greatest common divider
by elim » Tue Sep 27, 2011 5:40 pm
in Number Theory
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- 2048
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by elim
Tue Sep 27, 2011 5:40 pm
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Those whoes irrelevant/spam posts been deleted
by elim » Sun Aug 14, 2011 2:21 pm
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by elim
Sun Aug 14, 2011 2:21 pm
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Is {(cos kθ, sin kθ) | k = 1,2,...} dense in unit circle?
by karka » Tue Aug 02, 2011 10:34 am
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by karka
Tue Aug 02, 2011 10:34 am
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Free online math tutor
by elim » Thu Jul 28, 2011 9:47 am
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by elim
Thu Jul 28, 2011 9:47 am
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You have great content!
by SEOSoftware » Fri Jun 17, 2011 8:06 am
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by SEOSoftware
Fri Jun 17, 2011 8:06 am
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Prove two properties for functions
by elim » Wed Jun 15, 2011 11:41 am
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by elim
Wed Jun 15, 2011 11:41 am
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Our Just To Say Hi Posting :)
by KennetWilson » Wed Apr 20, 2011 3:44 pm
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by KennetWilson
Wed Apr 20, 2011 3:44 pm
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First Contribution ?
by CarlaHunt » Sat Apr 16, 2011 6:32 pm
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by CarlaHunt
Sat Apr 16, 2011 6:32 pm
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Math Test
by admin » Tue Feb 22, 2011 3:01 pm
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by admin
Tue Feb 22, 2011 3:01 pm
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A problem about decimal number expression
by elim » Tue Feb 15, 2011 10:01 pm
in Algebra
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by elim
Tue Feb 15, 2011 10:01 pm
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Solve $\cos^2 x + \cos^2 2x + \cos^2 3x = 1$
by elim » Tue Feb 15, 2011 8:45 pm
in Algebra
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- 1686
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by elim
Tue Feb 15, 2011 8:45 pm
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$\sum_1^n y_k \sum_1^n (x_k^2/y_k)-(\sum_1^n x_k)^2=\cdots$
by elim » Tue Feb 15, 2011 7:40 pm
in Algebra
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- 1475
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by elim
Tue Feb 15, 2011 7:40 pm
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Find $m,n \in \mathbb{N}, \sum_0^m x^k:=P_m(x) |P_m(x^n)$
by elim » Tue Feb 15, 2011 5:09 pm
in Algebra
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by elim
Tue Feb 15, 2011 5:09 pm
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I'll report my testing results here
by tester » Tue Feb 15, 2011 3:03 pm
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by tester
Tue Feb 15, 2011 3:03 pm
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3 Co-Linear Problems
by elim » Mon Feb 14, 2011 5:35 pm
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by elim
Mon Feb 14, 2011 5:35 pm
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Lagrange's Identity $|a|^2|b|^2=(a\cdot b)^2+|a\wedge b|^2$
by elim » Mon Feb 14, 2011 7:25 am
in Algebra
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- 1474
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by elim
Mon Feb 14, 2011 7:25 am
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Goals of Research and Development
by elim » Tue Jan 04, 2011 2:28 pm
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by elim
Tue Jan 04, 2011 2:28 pm
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