Convergence of a Sequence: How to Determine and Find the Limit?

In summary, convergence of a sequence is a mathematical concept that refers to the behavior of a sequence as its terms approach a certain value or limit. It is different from divergence, which refers to a sequence whose terms do not have a specific value or limit. For a sequence to converge, two conditions must be met: the terms must become closer to a specific value, and the difference between consecutive terms must become smaller. Understanding convergence is important in various areas of mathematics and is closely related to the concept of a limit.
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zelmac
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Homework Statement


Check whether the sequence [itex]a_{1}=\alpha ,\alpha > 0, a_{n+1}=6*\frac{a_{n}+1}{a_{n}+7}[/itex] converges and find its limit if it does, depending on α.


Homework Equations





The Attempt at a Solution


I showed boundedness([0,6]) and found that in the case of convergence the limit is 2, but I don't know how to check its convergence... Any help is appreciated :)
 
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1. What is the definition of convergence of a sequence?

The convergence of a sequence is a mathematical concept that refers to the behavior of a sequence as its terms approach a certain value or limit. In other words, a sequence is said to converge if its terms become closer and closer to a specific value as the sequence progresses.

2. How is convergence of a sequence different from divergence?

While convergence refers to a sequence approaching a specific value or limit, divergence refers to a sequence whose terms do not have a specific value or limit. Instead, the terms of a divergent sequence either become infinitely large or oscillate between different values.

3. What are the conditions for a sequence to converge?

In order for a sequence to converge, there are two conditions that must be met. First, the terms of the sequence must become closer and closer to a specific value as the sequence progresses. Second, the difference between consecutive terms of the sequence must become smaller and smaller as the sequence progresses.

4. What is the importance of understanding convergence of a sequence?

Understanding the convergence of a sequence is important in many areas of mathematics, including calculus, analysis, and number theory. It allows us to make predictions about the behavior of a sequence and use it to solve problems in various mathematical contexts.

5. How is the convergence of a sequence related to the concept of a limit?

The convergence of a sequence is closely related to the concept of a limit. In fact, the limit of a sequence is the specific value or number that the terms of the sequence converge to. The limit can be seen as the ultimate destination of the sequence, while the convergence refers to the journey towards that destination.

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