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Wikipedia:Reference desk/Archives/Mathematics/October 2020

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Welcome to the Wikipedia Mathematics Reference Desk Archives
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October 2

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 2

  1. how is the #5 and #6 formulae of Arithmetic progression been derived?

October 5

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 5

  1. Regarding Brocard's Problem
  2. Circumference of circles in elliptic and hyperbolic geometries

October 8

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 8

  1. Which formula is correct??

October 10

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 10

  1. Logarithm
  2. Diagonal depth of sofa

October 12

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 12

  1. Logarithm 2

October 13

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 13

  1. Quality of point distribution on a sphere
  2. Quadratic formula division

October 14

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 14

  1. Stumped on a simple thing
  2. Primes (base 10) questions

October 19

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 19

  1. Linear estimation of a local minimum from discrete data

October 21

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 21

  1. Primes of the form kn^2 - kn + 1
  2. Calculating the value of arctan2(x, y)

October 27

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 27

  1. Team lottery probabilities

October 30

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Wikipedia:Reference_desk/Archives/Mathematics/2020 October 30

  1. Roots of in