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63,21,7 write an explicit formula
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5 votes
63,21,7 write an explicit formula

User Makudex
by
7.6k points

1 Answer

3 votes

Answer:

7×3³-n

Explanation:

This is a geometric sequence

Use nth term of geometric sequence formula



Ratio is 27/63=1/3

First term is 63



Simplify expression



User Hln
by
6.9k points
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