# 474,043 Reputation

20 today
 +10 1 hour ago upvote How to calculate GCD of Gaussian integers? +10 1 hour ago upvote Show $GCD(a_1, a_2, a_3, \ldots , a_n)$ is the least positive integer that can be expressed in the form $a_1x_1+a_2x_2+ \ldots +a_nx_n$ +10 6 hours ago upvote Why does the harmonic series diverge but the p-harmonic series converge -10 11 hours ago removed User was removed (learn more)
20 yesterday
 +10 09:58 upvote Why does the harmonic series diverge but the p-harmonic series converge +10 01:48 upvote For every real number $a$ there exists a sequence $r_n$ of rational numbers such that $r_n$ approaches $a$.
50 2 days ago
 +10 15:16 upvote Given $y_1,y_2,\ldots,y_N \in \mathbb{R}$, Prove: $f(x)= \sum \limits_{i=1}^{N}|x-y_i|^2$ gets a minimum, and find it. +10 12:22 upvote Pdf of the difference of two exponentially distributed random variables +10 11:35 upvote Choose K items from N in a circle +10 03:08 upvote How I can prove that the sequence $\sqrt{2} , \sqrt{2\sqrt{2}}, \sqrt{2\sqrt{2\sqrt{2}}}$ converges to 2? +10 02:33 upvote Why can ALL quadratic equations be solved by the quadratic formula?
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