Mathematics
Senior High
Resolved

なぜ、このようになるのか教えて下さい。💦(数2のシグマのところです)

n k2 1 Σk² = n(n+1)(2n+1) k=1 n Σk² = {{n(n + 1)}* k=1
数列

Answers

Were you able to resolve your confusion?