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19.10.2020 •
Physics
Find the 7th term of the geometric sequence
1/8, 1/2, 2, ...
Solved
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Ответ:
512
Explanation:
Given sequence:
1/8, 1/2, 2, ...
Unknown:
The 7th term of the geometric sequence = ?
Solution:
To solve this problem, we apply the formula below;
Sₙ = arⁿ⁻¹
a is the first term
r is the common ratio
n is the nth term
r =
= 
= 4
Input the parameters and solve;
Sₙ =
x 4⁷⁻¹
Sₙ =
x 4⁶ = 512
Ответ: