Find a closed formula for the sequence (Cn)neN defined as follows: if n = 1, Cn = if n = 2, 8. Cn-1. (Cn-2)6 if n ≥ 3. Explain your answer.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.1: Infinite Sequences And Summation Notation
Problem 72E
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(e) Find a closed formula for the sequence (Cn)neN defined as follows:
1
if n = 1,
Cn =
1
if n = 2,
8. Cn-1 · (Cn-2)6 if n ≥ 3.
Explain your answer.
Hint: While the recurrence for (cn) provided here is not given in a form discussed
earlier in the lectures, one can transform the problem into an equivalent one with a
non-homogeneous linear recurrence. Try to find such transformation and then solve
the obtained non-homogeneous recurrence.
Transcribed Image Text:(e) Find a closed formula for the sequence (Cn)neN defined as follows: 1 if n = 1, Cn = 1 if n = 2, 8. Cn-1 · (Cn-2)6 if n ≥ 3. Explain your answer. Hint: While the recurrence for (cn) provided here is not given in a form discussed earlier in the lectures, one can transform the problem into an equivalent one with a non-homogeneous linear recurrence. Try to find such transformation and then solve the obtained non-homogeneous recurrence.
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