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Unformatted text preview: ,000 P30 = (1.11)30 10,000 = $228,992.97 Special Integer Sequences ༉ Given a few terms of a sequence, try to identify the sequence, i.e., obtain a formula or a recurrence relation. ༉ Some questions to ask? ༉ Are there repeated terms of the same value? ༉ Can you obtain a term from the previous term by adding an amount or multiplying by an amount? ༉ Can you obtain a term by combining the previous terms in some way? ༉ Are there cycles among the terms? ༉ Do the terms match those of a well known sequence? Special Integer Sequences Example 1: 1 , 1/2 , 1/4 , 1/8 , 1/16 Solution: Note that the denominators are powers of 2. The sequence with an = 1/2n is a possible match. This is a geometric progression with a = 1 and r = 1/2. Example 2: 1 , 3 , 5 , 7 , 9 Solution: Note that each term is obtained by adding 2 to the previous term. A possible formula is an = 2n + 1. This is an ari...
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This document was uploaded on 02/27/2014 for the course CS 215 at SIU Carbondale.
 Spring '14
 M.Nojoumian
 Computer Science

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