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Virtuoz
  • Member for 9 years, 4 months
  • Last seen more than a week ago
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  • Location: Belarus, Minsk
  • Name: Sergey
  • Surname: Bondarev

Working as a software engineer and as a maths lecturer. That's probably all you need to know about me.

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23
Graphs for which a calculus student can reasonably compute the arclength
16
Is the sum (difference) of Borel set with itself a Borel set?
14
10th derivative of a function
12
Outer product of each column of a 2D array to form a 3D array - NumPy
9
find the number of functions such that $f : [0,1]\to [0,1]$ satisfying $|f(x) – f(y)|= |x – y|$ for all $(x, y)$ in $[0,1]$.