Numbers and algebra
Geometric sequence
A sequence in which each non-zero term is obtained by multiplying the previous term by a constant ratio.
Common notation aₙ = a₁rⁿ⁻¹
In one sentence
What does Geometric sequence mean?
A sequence in which each non-zero term is obtained by multiplying the previous term by a constant ratio.
How it is written
aₙ = a₁rⁿ⁻¹
A compact example
2, 6, 18, 54 has common ratio r = 3.
Other names and search terms
geometric progression.
Clear answers
Questions about Geometric sequence
What does Geometric sequence mean in mathematics?
A sequence in which each non-zero term is obtained by multiplying the previous term by a constant ratio.
How is Geometric sequence written?
A common notation is aₙ = a₁rⁿ⁻¹.
What is an example of Geometric sequence?
2, 6, 18, 54 has common ratio r = 3.