ИДЗ Рябушко 12.1 Вариант 26

Solution of IDZ Ryabushko 12.1 - Option 26

Section: Chapter 12. Series
Topic: Numerical series and convergence tests
Description: Investigation of numerical series for convergence: finding the sum of a series, application of the necessary test, comparison tests, d´Alembert´s test, Cauchy´s root and integral tests, investigation of alternating series for conditional and absolute convergence.

Tasks:
1. Prove the convergence of the series and find its sum (1)
2. Investigate the convergence of series with positive terms (2–6)
3. Investigate the alternating series for convergence and absolute convergence (7–8)

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