Math Problem Statement
Solution
The provided image presents the following series:
This is a telescoping series, where terms from successive summations cancel each other out, leaving only a few terms in the final sum.
Step-by-step approach:
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Express the partial sum: Consider the partial sum up to a finite value :
By expanding the terms for to , we can see that the majority of terms cancel out (since for each , cancels with from the next term).
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Cancellation of terms: The first term from is , and the last term after cancellation is . Therefore, the partial sum simplifies to:
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Take the limit as : Now, we compute the limit of as approaches infinity:
Thus, the sum of the series is:
Let me know if you would like more details or have any questions.
Here are 5 related questions for further exploration:
- How does a telescoping series differ from a geometric series?
- What conditions ensure the convergence of a telescoping series?
- Can all series be simplified into a telescoping form? Why or why not?
- What is an example of a divergent series, and how does it compare to this one?
- How does the sum of an infinite geometric series compare to that of a telescoping series?
Tip: When evaluating telescoping series, always look for cancellations between consecutive terms, as this often leads to significant simplification!
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Math Problem Analysis
Mathematical Concepts
Series
Telescoping Series
Limits
Convergence
Formulas
Telescoping sum: S_N = ∑ (1/n^3 - 1/(n+1)^3)
Limit of the sum: lim N→∞ S_N = 1 - (1/(N+1)^3)
Theorems
Telescoping series
Limit of a converging sequence
Suitable Grade Level
College-level calculus or advanced high school math
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