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Mathematics
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zibadawa timmy

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

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  • Member for 6 years, 2 months
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Top posts (142) All Questions Answers | Votes Newest

33 Why did no student correctly find a pair of $2\times 2$ matrices with the same determinant and trace that are not similar? Apr 10 '17
16 Do there exist simple groups of order $n(n+1)$ for some integer $n>1$? May 14 '16
12 Proof that $a+\frac{1}{a}\in\mathbb{Z}$ iff $a=\pm1$ Apr 6 '15
9 Difference between centralizer and center groups? Jun 22 '15
9 Show that the function $f:X\to \mathbb R$ defined by $f(x)=d(x,A)$ is continuous. Jul 19 '14
8 Physical or geometric meaning of complex derivative Aug 24 '14
8 How to prove that a group of order $72=2^3\cdot 3^2$ is solvable? Nov 17 '13
8 If x is an element of y and y is an element of z, is x an element of z? Sep 20 '14
8 Is this matrix diagonalizable? Wolfram Alpha seems to contradict itself… May 17 '17
7 Riddles that can be solved by meta-assumptions Feb 14 '18
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