In Exercises 13-30, find a formula for the nth term of the sequence. 13. 1,-1, 1, -1, 1, . . . I's with alternating signs 14. -1, 1,-1, 1,-1,... 1's with alternating signs Squares of the positive integers, with alternating signs Reciprocals of squares of the positive integers, with alternating sisgns 15. 1,-4, 9,-16, 25, ... 16. 1, 4 9' 16' 25'
In Exercises 13-30, find a formula for the nth term of the sequence. 13. 1,-1, 1, -1, 1, . . . I's with alternating signs 14. -1, 1,-1, 1,-1,... 1's with alternating signs Squares of the positive integers, with alternating signs Reciprocals of squares of the positive integers, with alternating sisgns 15. 1,-4, 9,-16, 25, ... 16. 1, 4 9' 16' 25'
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 82E
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