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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 …
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 …
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 …
Why $\det (A^ {-1}) = 1/\det (A)$? - Mathematics Stack Exchange
Jul 12, 2016 · That actually makes sense to me now. Thank you for your assistance!
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 …
2025年有哪些免费的电视直播软件推荐吗? - 知乎
1、下载 TV电视软件 并复制到U盘内。 2、将U盘插入电视盒子接口上,系统便会自动进行检测并提示,选择进入U盘目录,找到U盘中要安装的APK文件,点击「安装」即可。 目前大部分安 …
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 …
Series expansion: $\frac {1} { (1-x)^n}$ - Mathematics Stack …
Jan 24, 2016 · What is the expansion for $(1-x)^{-n}$? Could find only the expansion upto the power of $-3$. Is there some general formula?
limx→0, (1+x)^1/x=e 为什么? - 知乎
Jun 26, 2020 · 对于 (1+1/n)^n < 3的证明如下图 (图片来自 崔尚斌数学分析教程)