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Mathematics
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Slugger
  • Member for 11 years, 11 months
  • Last seen more than a week ago
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Using TikZ on math.stackexchange
May 13, 2013
question
2
I've found a really fun free online math game about measuring out lengths and such in the olden days. How do I share it?
Jul 1, 2014
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13
If $f,g$ are continuous at $a$, show that $h(x)=\max\{f(x),g(x)\}$ and $k(x)=\min\{f(x),g(x)\}$ are also continuous at $a$
12
Show that $\mathbb{Z}_{2} \times \mathbb{Z}_{4}$ is not a cyclic group
10
Ethical problems in mathematics
9
$M,N\in \Bbb R ^{n\times n}$, show that $e^{(M+N)} = e^{M}e^N$ given $MN=NM$
8
Show that ${-n \choose i} = (-1)^i{n+i-1 \choose i} $