Announcement (27 June 2023) / Duyuru (27 Haziran 2023)

Why are the Number of Terms and Sum Formulas in Arithmetic Sequences Like This?

(New Video - 27 June 2023 / Yeni Türkçe Altyazısız Sadece İngilizce Video - 27 Haziran 2023)

https://odysee.com/@kurtbasmetehan:0/Why-are-the-Number-of-Terms-and-Sum-Formulas-in-Arithmetic-Sequences-Like-This:5