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  1. What exactly is infinity? - Mathematics Stack Exchange

    Definition: Infinity refers to something without any limit, and is a concept relevant in a number of fields, predominantly mathematics and physics. The English word infinity derives from Latin infinitas, which …

  2. What is infinity divided by infinity? - Mathematics Stack Exchange

    2012年8月11日 · I know that $\infty/\infty$ is not generally defined. However, if we have 2 equal infinities divided by each other, would it be 1? if we have an infinity divided by another half-as-big infinity, for

  3. limits - Infinity divided by infinity - Mathematics Stack Exchange

    2017年12月25日 · Infinity divided by infinity Ask Question Asked 8 years, 1 month ago Modified 8 years, 1 month ago

  4. One divided by Infinity? - Mathematics Stack Exchange

    Similarly, the reals and the complex numbers each exclude infinity, so arithmetic isn't defined for it. You can extend those sets to include infinity - but then you have to extend the definition of the arithmetic …

  5. soft question - Why is $\infty \cdot 0$ not clearly equal to $0 ...

    2011年3月25日 · (i.e add 0 0 to 0 0 as many times as you like, result is 0 0) So I thought an infinite number of 0 0 's cannot be anything but 0 0? But someone claims different but couldn't offer a …

  6. Is 1 + infinity > infinity? - Mathematics Stack Exchange

    2021年12月13日 · So new_infinity would just become "1 + infinity". They argue that you can just substitute in x x for infinity and have the statement 1 + x> x 1 + x> x which is true (but I don't think …

  7. If you subtract a finite number from an infinity, does the infinity ...

    2023年6月9日 · so long as x is a finite number. Meaning, adding or subtracting a finite number to an infinity does not change its value, but I vaguely remember a YouTube video that talked about …

  8. calculus - Proof of $\lim_ {x\to a}f^ {g}=e^ {\lim_ {x\to a} { (f-1)g ...

    2016年10月27日 · There is a general formula for indeterminate form $1 ^ {\\infty}$ which I'm looking for a proof which is also used here. (picture) Given $$\\lim_{x\\to a} f(x) = 1$$ and $$\\lim_{x\\to a} g(x) = …

  9. What is imaginary infinity, - Mathematics Stack Exchange

    2017年5月14日 · The infinity can somehow branch in a peculiar way, but I will not go any deeper here. This is just to show that you can consider far more exotic infinities if you want to. Let us then turn to …

  10. Types of infinity - Mathematics Stack Exchange

    2015年10月28日 · I understand that there are different types of infinity: one can (even intuitively) understand that the infinity of the reals is different from the infinity of the natural numbers. Or that the …