Math Problem Statement

Find the limit of the sequence {2, 4/3, 1, 4/5, 2/3, ...} where f(n) = 4/n for n = 1, 2, 3, ... as n approaches infinity.

Solution

Let's solve the problem shown in the image. The given sequence is defined as follows:

{2,43,1,45,23,}\{ 2, \frac{4}{3}, 1, \frac{4}{5}, \frac{2}{3}, \ldots \} which is represented by the function:

f(n)=4n,for n=1,2,3,f(n) = \frac{4}{n}, \quad \text{for } n = 1, 2, 3, \ldots

The goal is to find the limit of this sequence as nn \to \infty.

Limit of the Sequence

We are tasked with finding:

limn4n\lim_{n \to \infty} \frac{4}{n}

As nn \to \infty, the denominator nn becomes infinitely large. Thus:

limn4n=0\lim_{n \to \infty} \frac{4}{n} = 0

Conclusion

The limit of the sequence as nn \to \infty is 0.


Would you like further details on sequences, or do you have any questions?

Here are some related questions you might find helpful:

  1. What are the key properties of converging sequences?
  2. How can we determine if a sequence diverges?
  3. Can you provide examples of sequences that do not have limits?
  4. How do you calculate the limit of a more complex sequence?
  5. What is the significance of the limit of a sequence in real-world applications?

Tip: Always check if a sequence is bounded and monotonic; these properties help determine if it converges.

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Math Problem Analysis

Mathematical Concepts

Sequences and Series
Limits
Infinity

Formulas

lim n -> infinity of f(n) = 4/n

Theorems

Limit of a sequence as n approaches infinity

Suitable Grade Level

High School or Early College