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Mike

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

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  • Member for 2 years, 2 months
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  • Last seen Apr 28 at 22:39

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11 Are there sequence $(u_n)\subset \mathbb R^+$ s.t. $\sum_{n=1}^\infty u_n<\infty $ but $nu_n\not\to 0$? Jul 30 '18
10 how do I compare those two logs? May 31 '18
10 What is the last non-zero digit of $(\dots((2018\underset{! \text{ occurs }1009\text{ times}}{\underbrace{!)!)!\dots)!}}$? Aug 26 '19
9 Each group of order 8 has a subgroup of order 2 and a subgroup of order 4. Feb 15 '19
8 Contest math problem about crossing out numbers in the table Mar 1 '19
6 Graph with same number of edges and vertices is a cycle? May 26 '19
6 How can a finite set not have a maximum or minimum? Mar 22 '18
5 Prove that an integer $a$ which satisfies the equation $a^2=1+2b^2$ for integer $b$ is of the form $a=c^2\pm1$ for some integer $c$ Sep 3 '19
4 Show that $P\left(X>n \cdot E(X)\right) \leq \frac{1}{n}$ Feb 7
4 $p$ is a prime, $n$ is an integer. $p^5$ divides $n^2$ then which of the following is correct Aug 19 '19
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