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  1. Prepare
  2. Mathematics
  3. Fundamentals
  4. Summing the N series
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Summing the N series

  • zac_c_petit
     + 1 comment

    For those wondering why,

    T_n = n^2 - (n - 1)^2 = n^2 - ((n - 1)(n - 1)) = n^2 - (n^2 - 2n + 1) = 2n - 1