Demostración | Suma de los Primeros "n" números al cuadrado

Hi guys, :) Welcome back! Today we'll find the equation for the sum of the arithmetic progression of the first n natural numbers squared. This video serves both as a standalone video and as part of the Arithmetic Progressions of the First n video set. PART ONE This is a continuation of this one: ***Introduction to Arithmetic Progressions:    • Demostración Suma primeros N Números | La ...   PART THIRD Sum of the First n Cubed Numbers    • Suma de los Primeros números i al cubo | D...   Thanks so much for watching! And subscribe for more... =D Put suggestions for new videos in the comments! **SUBSCRIBE** Facebook:   / esschoolzone18   Instagram:   / school.zone.esp   LIKE THIS VIDEO AND SEE YOU IN THE NEXT ONE!! :D