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14-05-2019
Mathematics

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What is the explicit formula for this geometric sequence

What is the explicit formula for this geometric sequence class=

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altavistard altavistard

15-05-2019

Answer:

a(n) = a(1)*(1/4)^(n - 1)

Step-by-step explanation:

The first four terms of this sequence are 64, 16, 4, 1.

Let the common ratio be r. Then 64r = 16, and r = 1/4.

The first term is 64.

The general term is then

a(n) = a(1)*(1/4)^(n - 1)

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