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A recursive rule for a geometric sequence is a1=8;an=34an−1. What is the explicit rule for this sequence?

A recursive rule for a geometric sequence is a1=8;an=34an−1. What is the explicit rule for this sequence?
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5 votes
A recursive rule for a geometric sequence is a1=8;an=34an−1. What is the explicit rule for this sequence?

asked
User Ashwani
by
8.3k points

2 Answers

4 votes

Answer:

They are right its 8(3/4)^n-1

Explanation:

Proof down below

A recursive rule for a geometric sequence is a1=8;an=34an−1. What is the explicit-example-1
answered
User Alessandro Mautone
by
7.8k points
3 votes
Its 8(3/4)^n-1

I just submitted the test,
answered
User Ksenia
by
7.9k points
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