Mathematics
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ThePortakal
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All Questions Answers
Score Newest
answer
78
Given $g(x)$ and $f(g(x))$, solve for $f(x)$.
Mar 20, 2016
question
57
Is it possible that "A counter-example exists but it cannot be found"
Apr 15, 2014
answer
41
Most ambiguous and inconsistent phrases and notations in maths
Nov 17, 2014
question
17
How big can a separable Hausdorff space be?
Mar 23, 2014
question
16
Analytic continuation of a real function
Jun 20, 2014
answer
8
"Here's a cool problem": a collection of short questions with clever solutions
Mar 26, 2014
answer
8
Why isn't the Cantor set a discrete topology?
Aug 24, 2017
answer
7
Boundary of a bounded open set in $\mathbb{R}^2$
Sep 3, 2015
question
7
How to parametrize the curve $y^2 = x^2(x+3)$
Apr 27, 2015
answer
6
Find all numbers $n\in \{ 1,...,100 \}$ which have 5 unique divisors.
Nov 21, 2016
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9
I have a difficult definition. Want to ask: "what do you understand from this definition?"
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45
Why are there no computer-friendly versions of papers?
39
What to decide before writing a math book?
16
Preparing a special exam sheet for every student
7
What does a piano teacher do?
6
Determining if participants learned the objects as a whole or feature by feature

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