
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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Using the Direct Comparison Test or the Limit Comparison Test determine if the series converges or diverges.
![**Transcription for Educational Website:**
Equation 23: Evaluate the infinite series
\[
\sum_{k=1}^{\infty} \frac{\sin(1/k)}{k^2}
\]
This mathematical expression represents an infinite series where the variable \( k \) starts at 1 and increments by 1 for each term towards infinity. The function inside the series is defined by the ratio of \(\sin(1/k)\) to \(k^2\).
- **\(\sin(1/k)\)**: This part of the expression applies the sine function to the reciprocal of \( k \). As \( k \) becomes very large, \( \sin(1/k) \) approaches \(\sin(0)\), which is 0.
- **\(k^2\)**: This denotes that each term in the denominator is the square of the current value of \( k \).
The series combines these elements and sums them as \( k \) increases towards infinity. This type of series is often analyzed to determine its convergence or divergence.](https://content.bartleby.com/qna-images/question/9a36eedc-1311-4ac7-908a-8a22bc0a900c/fd646b0d-24cf-401c-bbd9-2683d7a2261a/kgm3xtc_thumbnail.png)
Transcribed Image Text:**Transcription for Educational Website:**
Equation 23: Evaluate the infinite series
\[
\sum_{k=1}^{\infty} \frac{\sin(1/k)}{k^2}
\]
This mathematical expression represents an infinite series where the variable \( k \) starts at 1 and increments by 1 for each term towards infinity. The function inside the series is defined by the ratio of \(\sin(1/k)\) to \(k^2\).
- **\(\sin(1/k)\)**: This part of the expression applies the sine function to the reciprocal of \( k \). As \( k \) becomes very large, \( \sin(1/k) \) approaches \(\sin(0)\), which is 0.
- **\(k^2\)**: This denotes that each term in the denominator is the square of the current value of \( k \).
The series combines these elements and sums them as \( k \) increases towards infinity. This type of series is often analyzed to determine its convergence or divergence.
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