Mathematics
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Gareth McCaughan

Apparently, this user prefers to keep an air of mystery about them.

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99 Is it possible to place 26 points inside a rectangle that is 20 cm by 15 cm so that the distance between every pair of points is greater than 5 cm? Jun 12 '17
63 Induction proof. Explain in detail why it’s incorrect May 15 '17
48 Function with no roots Apr 15 '16
28 Do there exist pairs of distinct real numbers whose arithmetic, geometric and harmonic means are all integers? Apr 17 '18
22 Equation of a “tilted” sine Sep 15 '17
11 What does a triple integral represent? Apr 18 '16
10 $x-\frac1x+y-\frac1y=4\,$ has no rational solutions? Jan 3 '17
9 Intuition for the derivative of the exponential function Oct 15 '19
8 find the largest number May 16 '16
8 How often does it happen that the oldest person alive dies? May 10 '13
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