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

    Aug 11, 2012 · 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

  2. Uncountable vs Countable Infinity - Mathematics Stack Exchange

    My friend and I were discussing infinity and stuff about it and ran into some disagreements regarding countable and uncountable infinity. As far as I understand, the list of all natural numbers is

  3. I have learned that 1/0 is infinity, why isn't it minus infinity?

    An infinite number? Kind of, because I can keep going around infinitely. However, I never actually give away that sweet. This is why people say that 1 / 0 "tends to" infinity - we can't really use infinity as a …

  4. calculus - Infinite Geometric Series Formula Derivation - Mathematics ...

    Infinite Geometric Series Formula Derivation Ask Question Asked 12 years, 7 months ago Modified 4 years, 10 months ago

  5. Motivating infinite series - Mathematics Stack Exchange

    Dec 17, 2014 · The techniques used in the study of infinite series are similar to the ones used for improper integrals, and the integral convergence test is another reason why knowing integrals before …

  6. Infinite tetration, convergence radius - Mathematics Stack Exchange

    Apr 14, 2016 · Infinite tetration, convergence radius Ask Question Asked 13 years, 10 months ago Modified 5 years, 6 months ago

  7. Infinite intersection of open sets - Mathematics Stack Exchange

    Oct 2, 2015 · Similarly, to disprove infinite intersection of open sets is open, it is enough to give a particular collection of open sets such that intersection is not open.

  8. Is there a shape with infinite volume but finite surface area?

    Mar 28, 2023 · Imagine a sphere outline in an infinite void. If the area within the sphere outline is empty space, and the space outside is solid, it is a 3D shape of infinite volume, and since it continues …

  9. Infinite series for $ \sqrt 2 $ - Mathematics Stack Exchange

    Mar 1, 2014 · What is infinite series for $ \\sqrt 2 $? I don't mean continued fraction. That kind of series such as like for $e, \\pi, $etc.

  10. Example of infinite field of characteristic $p\neq 0$

    May 11, 2023 · Can you give me an example of infinite field of characteristic $p\\neq0$? Thanks.