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Series | Alternating Series Test (with Conditional/Absolute Convergence): Example 6

Series | Alternating Series Test (with Conditional/Absolute Convergence): Example 6

Assessment

Interactive Video

Science, Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the alternating series test using a series involving cosine and square root functions. It demonstrates how to determine if a series is alternating by analyzing the numerator and denominator. The properties of the cosine function are discussed, emphasizing its range between -1 and 1. The tutorial applies the alternating series test to check for convergence and explains the difference between absolute and conditional convergence, using the p-series test to conclude that the series is conditionally convergent.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the series from n equals 1 to infinity of cosine of n pi over the square root of n behaves as n increases.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the cosine function in the context of the alternating series test?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What criteria must be satisfied for a series to be considered convergent according to the alternating series test?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the limit of b sub n as n approaches infinity relate to the convergence of the series?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

In the context of the alternating series test, why is it important to analyze both the original series and its absolute value?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the implications of the p-series test in determining the convergence of the absolute value of the series.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What does it mean for a series to be conditionally convergent?

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