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Jun
8
revised Why do the equations $Ax + By + Cz= D$ represent planes in $\Bbb R^3$ and not lines?
The previous edit messed the title.
Nov
6
revised does $\int_0^\infty x/(1+x^2 \sin^2x) \mathrm dx$ converge or diverge?
Perhaps this is a better presentation of the proof's logic
Nov
3
revised How many possible color combinations?
deleted 1 character in body
Jul
31
revised Are all fields vector spaces?
grammar corrections. Not sure about the phrasing of the last sentence, seems still wrong.
Apr
4
revised What does $2^x$ really mean when $x$ is not an integer?
correction on exponents formula
Aug
5
revised Evaluate $\lim\limits_{n\to \infty}\frac{1}{n+1}+\frac{1}{n+2}+\cdots+\frac{1}{6n}$
edited body
Nov
24
revised A new imaginary number? $x^c = -x$
added 114 characters in body
Feb
26
revised Designing an Irrational Numbers Wall Clock
added 144 characters in body
Feb
25
revised Designing an Irrational Numbers Wall Clock
added 62 characters in body