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rotated hyperbolic cylinder parameterization
A hyperbolic cylinder is given by $\frac{x^2}{a^2}-\frac{y^2}{b^2} = -1$, but thats a hyperbolic cylinder that goes along the Z-axis. How do you parametri...
Apr 11, 2026
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![What is the nth term of the series? $0, 0 , 1 , 3 , 6 , 10 ....$ [closed]](https://news.conceivablytech.com/uploads/what-is-the-nth-term-of-the-series-0-0-1-3-6-10-closed_720.jpg)
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What is the nth term of the series? $0, 0 , 1 , 3 , 6 , 10 ....$ [closed]
I am trying to find the relation between the number of nodes and the number of connections possible. So if there are $0$ nodes, that means $0$ connections...
Apr 11, 2026
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Why does direct substitution work for limits?
I see a lot of calculus texts stating direct substitution is a form of evaluation for a limit. Maybe I'm missing something because, to me, direct sub...
Apr 11, 2026
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User Sameer Kailasa - Mathematics Stack Exchange
Q&A for people studying math at any level and professionals in related fields
Apr 11, 2026
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Probability of winning a 5 game series by winning 3 games where probability of winning each game is given
Two teams play a series of baseball games, team A and team B. The team that wins 3 of 5 games wins the series. The first game takes place in the stadium o...
Apr 11, 2026
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Milne's Galois Theory Example
The following example is drawn from Milne's Galois Theory notes, p.42 (http://www.jmilne.org/math/CourseNotes/FT.pdf) We study the extension $\mathbb...
Apr 10, 2026
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Convergence of $\sum\frac{1}{n(\ln n)^c}$
What are the values of the positive constant, $c$, for which $$ \sum_{n=2}^\infty \frac{1}{n(\ln n)^c}$$ is convergent or divergent? I am a bit confused h...
Apr 10, 2026
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Find $Aut(Z_{6})$
Question: Find $Aut\left ( \mathbb{Z}_{6} \right )$ Note that $\mathbb{Z}_{6}=\left \{ 0,1,2,3,4,5 \right \}$ Observe: $\forall k \in \mathbb{Z}_{6}$, $k^...
Apr 10, 2026
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Biorthogonality of vectors
This question is equal parts math and physics, though I chose to ask it here because I am more concerned with the mathematics behind it, rather than physi...
Apr 10, 2026
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Lee Smooth Manifolds Problem 1-11 - $\overline{\mathbb B}^n$ is a smooth manifold with boundary
The following is Problem 1-11 in Lee's Introduction to Smooth Manifolds, 2nd Edition: Let $M = \overline{\mathbb B}^n$, the closed unit ball in $\mat...
Apr 10, 2026
