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Mathematics
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yoann
  • Member for 9 years, 3 months
  • Last seen more than a week ago
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32
Proving that a function is odd
Aug 17, 2015
12
Sum of digits of $a^b$ equals $ab$
Mar 5, 2019
11
Given $\frac{\log x}{b-c}=\frac{\log y}{c-a}=\frac{\log z}{a-b}$ show that $x^{b+c-a}\cdot y^{c+a-b}\cdot z^{a+b-c} = 1$
Apr 26, 2015
11
Eyebrow-raising pattern of number of primes between terms of the Fibonacci number sequence?
May 28, 2015
11
Proving that a function is odd
Aug 17, 2015
10
Calculate $\sum_{n=2}^{\infty}\left (n^2 \ln (1-\frac{1}{n^2})+1\right)$
Nov 1, 2022
9
Proof that a sequence of continuous functions $(f_n)$ cannot converge pointwise to $1_\mathbb{Q}$ on $[0,1]$
Sep 21, 2015
3
Is there a probability distribution with mean $1$ such that $f(x)=\frac{1}{x}f\left(\frac{1}{x}\right)$
May 5, 2015
3
For which values of $\alpha \in \mathbb{R}$, does the series $\sum_{n=1}^\infty n^\alpha(\sqrt{n+1} - 2 \sqrt{n} + \sqrt{n-1})$ converge?
May 19, 2015
3
What is the answer to this infinite sum?
Apr 3, 2016
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18
Am I a Cullen Number?
16
Your code has an uncanny mirror twin…
13
How can I put a bit mask on /dev/zero so that I can get bytes other than zero?
11
Impatiently wait for input
9
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