an k n=1 an k = 00 n=1 5n² +5n+ 5 5n5 + 6n +3 an ? 5n² + 5n+ 2 5n5 +6n + 3√√n, an ? Option: Converges or Diverges 10 Option: Converges or Diverges #

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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6b

### Sequence and Series Analysis

#### Example 1:
Given the sequence:

\[ a_n = \frac{5n^2 + 5n + 5}{5n^5 + 6n + 3} \]

- Determine \( k = \) (Option to enter your answer)
- Analyze the convergence or divergence of the series:

\[ \sum_{n=1}^{\infty} a_n \]

You have the option to select either "Converges" or "Diverges".

#### Example 2:
Given the sequence:

\[ a_n = \left( \frac{5n^2 + 5n + 2}{5n^5 + 6n + 3\sqrt{n}} \right)^{10} \]

- Determine \( k = \) (Option to enter your answer)
- Analyze the convergence or divergence of the series:

\[ \sum_{n=1}^{\infty} a_n \]

You have the option to select either "Converges" or "Diverges".

---

### Analysis Process
For each given sequence:

1. **Find the parameter \( k \)**: To identify \( k \), one must often explore the dominant behavior of the terms within the sequence, especially for large values of \( n \).

2. **Convergence/Divergence Analysis**: To analyze whether the series converges or diverges, apply proper criteria such as Ratio Test, Root Test, Comparison Test, or Integral Test based on the structure of the sequence.

Both examples aim to exercise your ability to manipulate and understand sequences and their corresponding infinite series, reinforcing concepts in real analysis and series convergence tests.
Transcribed Image Text:### Sequence and Series Analysis #### Example 1: Given the sequence: \[ a_n = \frac{5n^2 + 5n + 5}{5n^5 + 6n + 3} \] - Determine \( k = \) (Option to enter your answer) - Analyze the convergence or divergence of the series: \[ \sum_{n=1}^{\infty} a_n \] You have the option to select either "Converges" or "Diverges". #### Example 2: Given the sequence: \[ a_n = \left( \frac{5n^2 + 5n + 2}{5n^5 + 6n + 3\sqrt{n}} \right)^{10} \] - Determine \( k = \) (Option to enter your answer) - Analyze the convergence or divergence of the series: \[ \sum_{n=1}^{\infty} a_n \] You have the option to select either "Converges" or "Diverges". --- ### Analysis Process For each given sequence: 1. **Find the parameter \( k \)**: To identify \( k \), one must often explore the dominant behavior of the terms within the sequence, especially for large values of \( n \). 2. **Convergence/Divergence Analysis**: To analyze whether the series converges or diverges, apply proper criteria such as Ratio Test, Root Test, Comparison Test, or Integral Test based on the structure of the sequence. Both examples aim to exercise your ability to manipulate and understand sequences and their corresponding infinite series, reinforcing concepts in real analysis and series convergence tests.
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