For each sequence, find a formula for the general term, an. Sequences start with n = 1. For example, answer n² if given the sequence: 1, 4, 9, 16, 25, 36,... an= 1 2n n+2 (n+3)² 1. 1 2468... 2./, 2 3 349 5

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.3: Geometric Sequences And Series
Problem 1ECP: Write the first four terms of the geometric sequence whose nth term is 6(2)n. Then find the common...
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For each sequence, find a formula for the general term, \( a_n \). Sequences start with \( n = 1 \). For example, answer \( n^2 \) if given the sequence: 1, 4, 9, 16, 25, 36, \ldots

1. \[ a_n = \frac{1}{2^n} \]

   Sequence: \( \frac{1}{2}, \frac{1}{4}, \frac{1}{6}, \frac{1}{8}, \ldots \)

2. \[ a_n = \frac{n+2}{(n+3)^2} \]

   Sequence: \( \frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \ldots \)
Transcribed Image Text:For each sequence, find a formula for the general term, \( a_n \). Sequences start with \( n = 1 \). For example, answer \( n^2 \) if given the sequence: 1, 4, 9, 16, 25, 36, \ldots 1. \[ a_n = \frac{1}{2^n} \] Sequence: \( \frac{1}{2}, \frac{1}{4}, \frac{1}{6}, \frac{1}{8}, \ldots \) 2. \[ a_n = \frac{n+2}{(n+3)^2} \] Sequence: \( \frac{1}{2}, \frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \ldots \)
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