Algebra Ch 48: Sequences and Series (34 of 34) Famous Series #2

To donate:

Famous Series #1: S1=1+2+3+4+5+…+n=n(n+1)/2, Sn=na1+[n(n+1)/2]d
Derive: S2=1^2+2^2+3^2+4^2+…+n^2=?

Firrst video in this series can be seen at:

[dpmike]

Thank you for being honest and sincere in your comments at the end of your video… I’ve been there before… I have taught for 45 years

[dpmike]

Very honest and sincere in your comments at the end of your video… been in the same situation since I taught for 45 years mathematics you can’t remember everything

[Parknparty]

Nice job! Well done "series" of lectures!