• Grubberfly 🔮@mander.xyzEnglish
    18·
    9 days ago

    tbf, the 2nd sum is exactly the first one just multiplied by 1/2. though i get that the progression is natural, even, and odd.

    the last one is definitely odd puzzling, but i cannot intuitively get the first one. how does summing the inverse of triangular number equal 2?

    • Buglefingers@lemmy.worldEnglish
      91·
      9 days ago

      I believe starting with 1/1 which equals 1, you are then adding infinitely (fractions) on top of the 1. So 1, then 1 1/2, ect, so the next full integer to be hit (infinitely down the line) would be 2.

      I don’t do high level math so I hope this explanation is correct or intelligible, this is just how I understand it intuitively

  • Th3D3k0y@lemmy.worldEnglish
    41·
    9 days ago

    Yeah, but is the function for 1 over odd numbers, or 1 over prime numbers …