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Mathematics
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Git Gud
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126
What was the first bit of mathematics that made you realize that math is beautiful? (For children's book)
Mar 7, 2013
110
Most ambiguous and inconsistent phrases and notations in maths
Nov 16, 2014
71
Theorems' names that don't credit the right people
Jun 3, 2013
55
Is $A + A^{-1}$ always invertible?
Nov 9, 2013
45
Is $|1-i|$ larger than $|1|$?
Feb 25, 2013
37
Prove $\sin^2\theta + \cos^2\theta = 1$
Dec 14, 2013
29
$-1 = 0$ by integration by parts of $\tan(x)$
Jun 19, 2013
26
Prove that if $\sum{a_n}$ converges absolutely, then $\sum{a_n^2}$ converges absolutely
Sep 14, 2013
26
Show $\operatorname{rank}(A) + \operatorname{rank}(B) \ge \operatorname{rank}(A+B)$
Jun 29, 2014
26
How to prove that $\lim\limits_{x\to0}\frac{\tan x}x=1$?
Jul 20, 2013
Top Meta posts
31
13
95
STOP! Look and Listen.
30
PSQ and the FAQ
29
About demanding work from askers
23
Too much effort shown?
19
Was I out of line?
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23
Whence the "everything is linear" phenomenon, and what can we do about it?
16
Commonly taught method divides by zero
15
Quando escrever números por extenso?
13
How to convince students of the integral identity $\int_0^af(x)dx=\int_0^af(a-x)dx$?
12
Does eating soy affect men's virility?