Mathematics
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Carsten S's user avatar
Carsten S's user avatar
Carsten S
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Carsten's just this guy, you know?

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All Questions Answers
Score Newest
answer
95
What does the term "undefined" actually mean?
Apr 10, 2015
answer
35
What's wrong with this reasoning that $\frac{\infty}{\infty}=0$?
Dec 4, 2016
answer
25
If a series converges, then the sequence of terms converges to $0$.
Jan 9, 2014
answer
21
Finding a mistake using Mayer-Vietoris
Feb 28, 2019
answer
17
What does "open set" mean in the concept of a topology?
Feb 20, 2017
answer
16
The pigeonhole principle and a professor who knows $9$ jokes and tells $3$ jokes per lecture
Jun 7, 2018
answer
16
How to prove that if the determinant of the matrix is zero then at least one eigenvalue must be zero?
Jun 25, 2018
answer
12
$\bigcup \emptyset$ is defined but $\bigcap \emptyset$ is not. Why?
Mar 17, 2014
answer
11
Matrix raised to 14th power
Dec 1, 2013
answer
11
Is $A + A^{-1}$ always invertible?
Nov 9, 2013
Top network posts
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41
Do you have to say "ungetoastetes Toast" to mean soft bread?
29
Why is Entschuldigung pronounced as ent-shuldigung instead of en-chu-ldigung?
29
Why does "Leidenschaft" mean "passion" while "leiden" means "to suffer"?
23
Woher kommt das g in „Kopenhagen“? Why is there a g in “Copenhagen”?
20
Why is there "n" at end of plural of meter but not of "kilometer"

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