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Mathematics
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Jacob's user avatar
Jacob's user avatar
Jacob
  • Member for 9 years, 9 months
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37
Interesting representation of $e^x$
Apr 7, 2016
12
Finding cubic with golden ratio as root
Jun 18, 2015
8
Show that $\int_{-\infty}^{\infty} \frac{\sin(2\pi(x-a))}{\pi(x-a)}\frac{\sin(2\pi(x-b))}{\pi(x-b)}dx = \frac{\sin2\pi(a-b)}{\pi(a-b)}$
Jan 20, 2022
7
shape created by parabola
Oct 9, 2014
7
Twin prime conjecture proof error
May 16, 2016
7
On the summation $\sum \limits_{n=1}^{\infty} \arctan \left ( \frac{1}{n^3+n^2+n+1} \right )$
Oct 29, 2017
6
an object is rolling down a circular curve
Jan 27, 2015
6
What is the probability that a 2D symmetric random walk will reach a point $(x,y)$ before returning to the origin?
Aug 14, 2022
6
Weird property of quadratic equations
Apr 6, 2016
6
Closed form for $\frac{x}{1+x} +\frac{x^2}{1+x+x^2} +\frac{x^3}{1+x+x^2+x^3}+...$
Apr 20, 2018