Sine Ratio Test: Show Convergence w/o L'Hopital

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SUMMARY

The discussion focuses on demonstrating the convergence of the expression sin[(10π)/(n+1)²] / sin[(10π)/n²] without employing L'Hôpital's Rule. Participants confirm that it is permissible to utilize the limit property that as x approaches zero, (sin x)/x approaches one. This property is crucial for simplifying the expression and establishing convergence as n approaches infinity.

PREREQUISITES
  • Understanding of limits in calculus
  • Familiarity with the sine function and its properties
  • Knowledge of convergence in sequences
  • Basic experience with mathematical proofs
NEXT STEPS
  • Study the limit properties of trigonometric functions
  • Explore techniques for proving convergence of sequences
  • Learn about Taylor series expansions for sine functions
  • Investigate alternative methods for evaluating limits without L'Hôpital's Rule
USEFUL FOR

Students and educators in calculus, mathematicians focusing on analysis, and anyone interested in advanced limit techniques and convergence proofs.

peripatein
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Hi,
Without using l'hopital, how may I show that sin[(10pi)/(n+1)^2] / sin[(10pi)/n^2] converges?
 
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Are you allowed to use the fact that as x goes to zero, (sin x)/x goes to one?
 

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