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8.3 ARITHMETIC AND GEOMETRIC SEQUENCES

8.3 Airthmetic and Geometric Sequences 453 (c) a n11 2 a n 5 ln~n 1 1! 2 ln n 5 ln n 1 1 n. The difference depends on n,so the sequence is not arithmetic. Checking ratios, a n11 a n 5 ln~n 1 1! ln n,sotheratio also changes with n. The sequence is neither arithmetic nor geometric. b cEXAMPLE3 Arithmetic sequences Show that the sequence is ...

  Sequence, Geometric, Arithmetic, Arithmetic sequences, 3 arithmetic and geometric sequences, And geometric sequences