顯然非等差數(shù)列-文庫吧
2025-03-25 18:57 本頁面
【正文】 1, 17, 23, 29, … . 4) a1=2, 16, 54, 128, 250, 432, 686, … an= 2n3 for n=1, 2, … an= (1/2)n1, n = 1, 2, 3,…. an= (1)n1, n = 1, 2, 3,…. an= 6n 1, n = 1, 2, 3,…. Ch23 Example 7. How can we produce the terms of a sequence if the first 10 terms are 5, 11, 17, 23, 29, 35,41, 47, 53, 59? Sol : a1 = 5 a2 =11 = 5 + 6 a3 =17 = 11 + 6 = 5 + 6 ? 2 : : ? an= 5 + 6 ? (n1) = 6n1 Ch24 Example 8. Conjecture
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