Mathematics
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rtybase
  • Member for 11 years, 10 months
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Software Engineer, in love with Computer Science and Maths.

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View all questions and answers
All Questions Answers
Score Newest
answer
20
Prove that the sum of pythagorean triples is always even
Feb 26, 2017
answer
14
A real function problem
Dec 24, 2016
answer
13
Prove $\lim\limits_{n\to \infty}\frac{1}{\sqrt n}\left|\sum\limits_{k=1}^n (-1)^k\sqrt k\right|= \frac{1}{2}$
Jun 24, 2019
answer
9
If $x^2+ax+b+1=0$ ($a,b\in\mathbb{Z}$) has integral roots, prove that $a^2+b^2$ is composite.
Jan 14, 2019
answer
9
Using Rolle's Theorem to prove roots.
Mar 25, 2017
answer
8
How to prove that $\lim\limits_{n\rightarrow \infty} \frac{1}{n^2}\sum\limits_{k=1}^{n}(n \bmod k)=1-\frac{\pi^2}{12}$?
Jun 18, 2019
answer
8
Sophie Germain-like primes and Cunningham-like chains
Jun 26, 2017
answer
8
$x+y+z=n$. Finding the number of solutions.
Aug 11, 2018
answer
8
How to see $\cos x \leq \exp(-x^2/2)$ on $x \in [0,\pi/2]$?
May 22, 2016
answer
8
Closed form for a look-alike Fibonacci sequence
Jun 11

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