Find the 8th term of the series 1, 3, 9, ...
- 2187
- 6561
- 729
- 243
Explanation
This is a geometric progression (GP) where each term is multiplied by 3:
1, 3, 9, 27, 81, 243, 729, 2187
Formula:
Here:
- a = 1
- r = 3
- n = 8
So:
8th term = 2187
Last updated by NA on 2 MAY 2026
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