Convergence for recursive sequence

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SUMMARY

The discussion focuses on the convergence of the recursive sequence defined by x_1=1 and x_n=x_{n-1} + 1/n^n for n>1. The participant successfully transformed the sequence into the summation x_n=Σ(1/n^n). To demonstrate convergence, it is suggested to compare this series with the well-known convergent series Σ(1/n^2), which is a standard approach in analysis for establishing convergence through the comparison test.

PREREQUISITES
  • Understanding of recursive sequences and their definitions
  • Familiarity with series convergence tests, particularly the comparison test
  • Knowledge of basic calculus concepts, including limits and summations
  • Experience with series such as Σ(1/n^2) and their convergence properties
NEXT STEPS
  • Study the comparison test for series convergence in detail
  • Explore the properties of the series Σ(1/n^n) and its convergence behavior
  • Learn about other convergence tests, such as the ratio test and root test
  • Investigate the implications of convergence in recursive sequences
USEFUL FOR

Students studying calculus, mathematicians interested in series and sequences, and educators teaching convergence concepts in mathematical analysis.

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Homework Statement



Let x_1=1 and let x_n=x_n-1 + 1/n^n for n>1. Show that x1, x2, ... is convergent.

Homework Equations





The Attempt at a Solution



I have managed to transform x_n=summation(1/n^n). How do I show that this is convergent?
 
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You could compare that series with [tex]\sum \frac{1}{n^2}[/tex]
 

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