Russian Language
Rocket Man
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21
Racist language in Russia/USA
Nov 12 '13
11
Origin of Да будет свет! - сказал электрик и перерезал провода
Oct 30 '13
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23
Has anyone heard of this maths formula and where can I find the proof to check my proof is correct? $\sum^n_{i = 1}i + \sum^{n-1}_{i=1}i = n^2$
13
Let $\lambda$ be an eigenvalue of $A$. Prove that $\lambda^{-1}$ is an eigenvalue of $A^{-1}$.
11
Is there a property in $\mathbb{N}$ that we know some number must satisfy but don't know which one?
9
Knots of fixed genus with arbitrarily large volume
8
Fermat's Last Theorem: A natural extension

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