Sequences and Series: Convergence Tests

# Sequences and Series: Convergence Tests Video Lecture | Mathematics for IIT JAM, CSIR NET, UGC NET

## Mathematics for IIT JAM, CSIR NET, UGC NET

556 videos|198 docs

## FAQs on Sequences and Series: Convergence Tests Video Lecture - Mathematics for IIT JAM, CSIR NET, UGC NET

 1. What are convergence tests in sequences and series?
Ans. Convergence tests in sequences and series are methods used to determine whether a given sequence or series converges or diverges. These tests help analyze the behavior of the terms in a sequence or the sum of terms in a series.
 2. What is the limit comparison test for convergence?
Ans. The limit comparison test is a convergence test that compares the behavior of a given series with a known convergent or divergent series. By taking the limit of the ratio between their terms, if the resulting limit is a nonzero finite value, the given series behaves similarly to the reference series.
 3. How does the ratio test work in determining convergence?
Ans. The ratio test is a convergence test that examines the ratio between consecutive terms of a series. If the limit of this ratio is less than 1, the series converges, and if it is greater than 1 or diverges to infinity, the series diverges. When the limit is exactly 1, the test is inconclusive.
 4. What is the divergence test for series convergence?
Ans. The divergence test is a simple test used to determine if a series diverges. If the limit of the terms of the series does not approach zero, the series diverges. However, if the limit is zero, the test is inconclusive, and further convergence tests are needed.
 5. How does the integral test help determine the convergence of a series?
Ans. The integral test is a convergence test that relates the convergence of a series to the convergence of an integral. If an integral with the same general form as the terms of the series converges, then the series also converges. Similarly, if the integral diverges, the series diverges. This test is particularly useful for series with non-negative terms.

## Mathematics for IIT JAM, CSIR NET, UGC NET

556 videos|198 docs

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