Finding “n” or the Term’s Position in the Arithmetic Sequence
How To Find The Nth Term of an Arithmetic Sequence
GCSE数学 - 等差数列のn項の式の書き方(2026/27年度試験)
Find n in an arithmetic sequence
Arithmetic Sequence (Explicit Formula)
What does n-1 mean?
Arithmetic Sequences and Arithmetic Series - Basic Introduction
💯 Finding the Number of Terms of Arithmetic Sequences Explained
数列のn番目の項を見つける
Math Antics - What Is Arithmetic?
NTH TERM RULE OF A SEQUENCE| GRADE 6
算術平均の求め方 - 算術数列 10年生 数学
Finding n in an Arithmetic Sequence Given are Sn, a1, an or Sn, a1, d.
Math Antics - Number Patterns
Writing a General Formula of an Arithmetic Sequence