a. The N-th partial sum is the sum of the first N terms of the series. For example, the 2nd partial sum is S2 = + Calculate the first five partial sums for this series. Do you notice a pattern? b. Use your pattern from (a), or the finite geometric series formula, to find a formula (in terms of N) for the N-th partial sum of this series. SN =? c. Now consider the full infinite series. Does this series converge or diverge? Explain how you know. d. If the series converges, calculate the total sum.
a. The N-th partial sum is the sum of the first N terms of the series. For example, the 2nd partial sum is S2 = + Calculate the first five partial sums for this series. Do you notice a pattern? b. Use your pattern from (a), or the finite geometric series formula, to find a formula (in terms of N) for the N-th partial sum of this series. SN =? c. Now consider the full infinite series. Does this series converge or diverge? Explain how you know. d. If the series converges, calculate the total sum.
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Now we'll consider the infinite series: 2 3 + 4 9 + 8 27 + 16 81 + 32 243 + ⋯
This is an example of a geometric series.
- The N-th partial sum is the sum of the first N terms of the series. For example, the 2nd partial sum is
S 2 = 2 3 + 4 9 = 10 9
Calculate the first five partial sums for this series. Do you notice a pattern? - Use your pattern from (a), or the finite geometric series formula, to find a formula (in terms of N) for the N-th partial sum of this series.
S N = ? - Now consider the full infinite series. Does this series converge or diverge? Explain how you know.
- If the series converges, calculate the total sum.
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