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Given the following geometric sequence, find the common ratio: {225, 45, 9, ...}. 1/5 -5 -1/5 5
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8 votes
Given the following geometric sequence, find the common ratio: {225, 45, 9, ...}.

1/5
-5
-1/5
5

User Brina
by
7.1k points

1 Answer

1 vote

Answer:

1/5

Explanation:

a=225

45/225=1/5

The formula for GP is Tn=ar^n-1

User Evaldas B
by
6.7k points
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