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Limit Point of a Sequence & Bolzano-Weierstrass Theorem Video Lecture | Mathematics for Competitive Exams

FAQs on Limit Point of a Sequence & Bolzano-Weierstrass Theorem Video Lecture - Mathematics for Competitive Exams

1. What is a limit point of a sequence?

Ans. A limit point of a sequence is a real number to which the sequence converges as the number of terms in the sequence approaches infinity. In other words, a limit point is a value that the sequence gets arbitrarily close to as it goes on.

2. How is the Bolzano-Weierstrass Theorem related to sequences?

Ans. The Bolzano-Weierstrass Theorem states that every bounded sequence has at least one limit point. This theorem is crucial in the study of sequences as it guarantees the existence of a convergent subsequence for any bounded sequence.

3. What is the significance of the Bolzano-Weierstrass Theorem in IIT JAM?

Ans. The Bolzano-Weierstrass Theorem is of great significance in IIT JAM as it is an important result used in the analysis of sequences and series. It provides a powerful tool to establish the convergence of sequences and proves to be useful in various mathematical proofs and calculations.

4. Can a sequence have multiple limit points?

Ans. Yes, a sequence can have multiple limit points. For example, consider the sequence 1, -1, 2, -2, 3, -3, ... This sequence has two limit points, namely 0 and ±∞. The presence of multiple limit points indicates that the sequence behaves differently as it approaches different values.

5. Is the Bolzano-Weierstrass Theorem applicable to all types of sequences?

Ans. No, the Bolzano-Weierstrass Theorem is applicable only to bounded sequences. It guarantees the existence of a limit point for any bounded sequence. However, for unbounded sequences, the theorem does not hold, and the sequence may or may not have a limit point.

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Sep 23, 2025 Last updated

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