Integrate $\\int \\frac{1}{a + \\cos x} dx$ - Mathematics Stack Exchange
How do you integrate $$\\int \\frac{1}{a + \\cos x} dx$$ Is it solvable by elementary methods? I was trying to do it while incorrectly …
probability - Expectation on 1/X - Mathematics Stack Exchange
Expectation on 1/X Ask Question Asked 13 years, 11 months ago Modified 4 years, 9 months ago
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知乎，中文互联网高质量的问答社区和创作者聚集的原创内容平台，于 2011 年 1 月正式上线，以「让人们更好的分享知识、经验和见 …
How to define a bijection between $(0,1)$ and $(0,1]$?
We will show that both sets are in bijection with S1 ×Z S 1 × Z ${S}^{1}\times \mathbb{Z}$. Consider (0, 1) (0, 1) $(0,1)$. This is in …
Find N degree polynomial from N+1 points
Which by definition means they're all the same. Does this mean that given any set of n+1 points, there exists a polynomial of degree …
Vitali set of outer-measure exactly $1$
My question asks if the Vitali construction itself can yield a non-measurable set with outer-measure of exactly 1 1 $1$ (or any before …
Intuition for volume of a simplex being $\\frac 1{n!}$
$\frac{1}{n!}$, but I am intuitively struggling to see why. I have seen proofs for this and am convinced, but I can't help but think there …
Simplify K!/ (K+1)! - Mathematics Stack Exchange
Mar 9, 2016 · Pretend K=3 That means (K+1)= 4 This means you'd be dividing 3*2*1 by 4*3*2*1. Consider how you'd cancel out …
Why is 1 raised to infinity Not defined and not "1" [duplicate]
$1$ square is $1$, so is raised $1$ to $123434234$. My maths teacher claims that $1$ raised to infinity is not $1$, but not defined. …