Mathematics
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Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 9 months
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  • Last seen Jul 14 '19 at 17:30

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10 Direct products, direct sums and coproducts in category of groups Apr 1 '15
9 Is projection of a closed set $F\subseteq X\times Y$ always closed? Jun 16 '13
8 Given three integers in $\{0,\ldots,100\}$ which sum up to $100$. What is the probabilty that two of them are the same? Aug 9 '13
7 Proving $x^4+y^4=z^2$ has no integer solutions Jan 7 '17
6 Proving right angle using vectors Oct 9 '18
5 Easier way to solve $\int\frac{2+\sin x}{\sin x(1+\cos x)}dx$ Jul 31 '14
5 Is uncountable subset of separable space separable? May 14 '13
5 Prove for each $A\subset \mathbb{R}$ there exists Borel set whose measure is same as outer measure of $A$ Dec 18 '13
4 Closed subset of $[0,1]$ without non-empty open subset and Lebesgue measure greater than $0$ Dec 18 '13
4 Surface integral- getting different result using two methods Jan 16 '14
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