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Number of ways in which exactly $1$ person is alive
Jun 22, 2021 · 1) for the result within the smaller group - the target of pi p i is determined by the latter The remaining n−1 n − 1 people kill each other. This means thet the map shooter ↦ ↦ shotee is a …
1/8, 1/4, 1/2, 3/4,7/8英寸分别是多少厘米? - 知乎
把1英寸分成8等分: 1/8 1/4 3/8 1/2 5/8 3/4 7/8 英寸。 This is an arithmetic sequence since there is a common difference between each term. In this case, adding 18 to the previous term in the sequence …
Why is $1/i$ equal to $-i$? - Mathematics Stack Exchange
May 11, 2015 · 11 There are multiple ways of writing out a given complex number, or a number in general. Usually we reduce things to the "simplest" terms for display -- saying $0$ is a lot cleaner …
Why is $1^ {\infty}$ considered to be an indeterminate form
The reason why $1^\infty$ is indeterminate, is because what it really means intuitively is an approximation of the type $ (\sim 1)^ {\rm large \, number}$. And while $1$ to a large power is 1, a …
Factoring $x^n - 1$ systematically? - Mathematics Stack Exchange
Sep 3, 2019 · The polynomial $x^n-1$ is interesting in for example many signal processing applications. It is easy to find special cases for factorizations, for example the famous conjugate rule: $$x^2-1 = …
abstract algebra - Prove that 1+1=2 - Mathematics Stack Exchange
Jan 15, 2013 · Possible Duplicate: How do I convince someone that $1+1=2$ may not necessarily be true? I once read that some mathematicians provided a very length proof of $1+1=2$. Can you think …
What is the value of $1^i$? - Mathematics Stack Exchange
Aug 30, 2010 · There are infinitely many possible values for $1^i$, corresponding to different branches of the complex logarithm. The confusing point here is that the formula $1^x = 1$ is not part of the …
Why $\det (A^ {-1}) = 1/\det (A)$? - Mathematics Stack Exchange
Jul 12, 2016 · Why $\det (A^ {-1}) = 1/\det (A)$? Ask Question Asked 9 years, 5 months ago Modified 4 years, 1 month ago Viewed 9k times
想请大神给小白科普一下音频声道的专业知识，什么是2.1声道、5.1声 …
Oct 27, 2024 · 5.1声道的第一次使用，追溯到1976年，当时杜比实验室修改了Todd-AO 70毫米胶片上6个类比音轨的使用方式，但当时在电影《洛根的逃亡》中杜比实验室的光学矩阵编码系统中，没有使用 …