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yarga [219]
2 years ago
12

Find an explicit rule for the nth term of the sequence.

Mathematics
2 answers:
Pavel [41]2 years ago
5 0
Hello ;
<span>an = 1 • 3n - 1</span>
Flauer [41]2 years ago
4 0

Answer:

Option C is the correct answer.

Step-by-step explanation:

1, 3, 9, 27, ...

This is an example of Geometric progression.

First term, a  = 1

Common ratio, r = 3

We have n th term of GP

            a_n=ar^{n-1}

Substituting

            a_n=ar^{n-1}=1\times 3^{n-1}

Option C is the correct answer.          

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