GP general term (nth term) (nth term is first term times ratio raised to n−1)
jee-mainjee-advanced
nth term is first term times ratio raised to n−1
What each symbol means
| Symbol | What it stands for |
|---|---|
| a | First term |
| n | Term index |
| r | Common ratio |
When to use this
Geometric progression: each term is previous times r; r ≠ 0 for non-trivial use.