In Exercises 89 and 90, (a) find the common ratio of the geometric series, (b) write the
Chapter 9, Problem 90(choose chapter or problem)
In Exercises 89 and 90, (a) find the common ratio of the geometric series, (b) write the function that gives the sum of the series, and (c) use a graphing utility to graph the function and the partial sums and What do you notice?
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