Mathematics
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ajotatxe
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Highschool math teacher in Spain. I like number theory, analysis and abstract algebra.

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All Questions Answers
Score Newest
answer
100
What is the smallest integer greater than 1 such that $\frac12$ of it is a perfect square and $\frac15$ of it is a perfect fifth power?
Oct 29, 2018
answer
92
What proportion of positive integers have two factors that differ by 1?
Dec 13, 2018
answer
85
Help with a prime number spiral which turns 90 degrees at each prime
Dec 26, 2016
answer
69
Is it possible to have 2 different but equal size real number sets that have the same mean and standard deviation?
Jun 6, 2019
answer
55
Infinite area under curve without using derivatives and integrals
Jul 13, 2017
answer
44
Contradiction between first derivative formal definition and derivative rules?
Nov 8, 2018
answer
42
$x^4 + x^2 + 1 = 0$ has no solution in $\mathbb{R}$.
Dec 11, 2014
answer
35
Why is the complex plane shaped like it is?
Jun 28, 2016
answer
35
Is nᵐ>mⁿ if m>n?
Aug 21, 2017
answer
32
Can the product of two polynomials result in a single term?
Jun 9, 2016
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