Mathematics
Senior High

2.3.6.15.42...

の一般項の途中式を教えて下さい!

Answers

階差数列ですな!
階差が3^(n-1)でしょ?
だでa=2+Σ1→n-1 3^(n-1)だよ

ラヘル

わかりました!ありがとうございます!

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉