CURED - 2017-01-24

« first day (1839 days earlier) ← previous day next day → last day (2655 days later) »

10:59 PM

[ SmokeDetector | MS ] Mostly non-Latin title: Prove $(𝑛 + 1)^2 + (𝑛 + 2)^2 + (𝑛 + 3)^2 + ⋯+ (2𝑛)^2 = \\frac{𝑛(2𝑛+1)(7𝑛+1)}{6}$ by John on math.stackexchange.com

« first day (1839 days earlier) ← previous day next day → last day (2655 days later) »

Transcript for

Jan '1724

$Mathematics$ CURED

For feedback/discussion/requests of Close/Undelete/Reopen/Edit...

close delete edit reopen undelete

join this room
about this room

00:00

06:00

12:00

18:00

all times are UTC

$Mathematics$

site design / logo © 2024 Stack Exchange Inc; legal

mobile