Given the geometric sequence where a1 = 5 and the common ratio is - 3, what is the domain for n?

All integers where n ≥ 0

All integers where n ≥ 1

All integers where n ≥ 5

All integers where ≤ 5

Question

Mathematics

Guest

25 February, 19:47

Given the geometric sequence where a1 = 5 and the common ratio is - 3, what is the domain for n?

All integers where n ≥ 0

All integers where n ≥ 1

All integers where n ≥ 5

All integers where ≤ 5

+1

Answers (1)

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Nathan · Answer 1

A1 = 5

common ratio = - 3

a2 = 5 x - 3 = - 15

a3 = - 15 x - 3 = 45

a4 = 45 x - 3 = - 135

a (n) = 1st term * common ratio

all integers where n > 1

Given the geometric sequence where a1 = 5 and the common ratio is - 3, what is the domain for n?All integers where n ≥ 0All integers where n ≥ 1All integers where n ≥ 5All integers where ≤ 5

Given the geometric sequence where a1 = 5 and the common ratio is - 3, what is the domain for n?

All integers where n ≥ 0

All integers where n ≥ 1

All integers where n ≥ 5

All integers where ≤ 5