Comparing Series: Convergence or Divergence?

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SUMMARY

The series in question, represented as the sum from 2 to ∞ of 1/[n(ln n)^(0.5)], is analyzed for convergence or divergence. The comparison test is suggested as a potential method for evaluation, with a recommendation to compare it against the series 1/[(ln n)^(0.5)]. Additionally, the integral test is proposed as an appropriate alternative for determining the behavior of the series. Both tests provide a structured approach to ascertain the convergence properties of the series.

PREREQUISITES
  • Understanding of series convergence tests, specifically the comparison test and integral test.
  • Familiarity with logarithmic functions and their properties.
  • Basic knowledge of limits and infinite series.
  • Ability to manipulate and analyze mathematical expressions involving series.
NEXT STEPS
  • Study the comparison test for series convergence in detail.
  • Learn how to apply the integral test to various types of series.
  • Explore the properties of logarithmic functions and their impact on series behavior.
  • Practice evaluating convergence and divergence of series through example problems.
USEFUL FOR

Students in calculus or advanced mathematics courses, educators teaching series convergence, and anyone seeking to deepen their understanding of convergence tests in mathematical analysis.

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Homework Statement



is the series convergent or divergent.
Sum from 2 to ∞ of 1/ [n(ln n)^.5]

Homework Equations



comparison test?

The Attempt at a Solution



Is it possible to use the comparison test for this problem. Also, could I compare this with something like: (1/[(ln n)^.5] that is very similar, please help me choose what i need to compare it with.

thankyou.
 
Physics news on Phys.org
The integral test seems appropriate for this one. Do you see why?
 

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