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aGer
  • Member for 9 years, 8 months
  • Last seen more than 1 year ago
  • Berlin, Germany
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Welcome to math.SE. A couple of comments on your post: first, the title should describe the problem you are looking to solve. Second, you should use MathJax to format your question. Finally, if you have made any attempts to solve the problem on your own, please tell us what you've tried. That way we can give you help that addresses whatever problem you are having.

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Top posts
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18
Why is it so hard to prove a number is transcendental?
May 16, 2015
11
$SL(n)$ is a differentiable manifold
Jul 13, 2015
10
Determine con-/divergence of $\sum\limits_{n=1}^{\infty}\frac{1+2+\cdots+n}{2^n}$
Feb 26, 2015
6
Convex polyhedron and its Gauß-curvature
Jun 10, 2015
6
What is this series? $\cos\frac{\pi z^2}{2}\sum_{n=1}^{\infty} \frac{\left(-1\right)^n \pi^{2n +1} z^{4n +3} }{1 \cdot 3 \cdots\left(4n + 3\right)}$
Jun 20, 2015
4
Theory and problems book in euclidean, affine, and projective geometry
Mar 1, 2015
4
$\mu^* \left( \bigcup_{n=1}^{\infty} A_n\right) = 0$
May 11, 2015
3
Special Case of Summation
Mar 20, 2015
3
Geometrical interpretation of $(\sum_{k=1}^n k)^2=\sum_{k=1}^n k^3$
May 30, 2015
3
$\mathbb{A}^2\setminus (0,0)$ is not affine
May 31, 2015
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18
Example why someone should use triple-pointers in C/C++?