3n+1 n→∞⁰ 7n-3 lim, 3 7 1 lim→∞ ((−1)" + −) does not exist. n

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Use the definition of Convergent Sequences to prove

 

The image contains two mathematical expressions related to limits as follows:

1. The first expression is:
   \[
   \lim_{n \to \infty} \frac{3n + 1}{7n - 3} = \frac{3}{7}.
   \]
   This represents the limit of the sequence \(\frac{3n + 1}{7n - 3}\) as \(n\) approaches infinity. The limit is \(\frac{3}{7}\).

2. The second expression is:
   \[
   \lim_{n \to \infty} \left((-1)^n + \frac{1}{n}\right) \text{ does not exist.}
   \]
   This indicates that the limit of the sequence \((-1)^n + \frac{1}{n}\) does not exist as \(n\) approaches infinity. The oscillating behavior of \((-1)^n\) leads to the non-existence of the limit.
Transcribed Image Text:The image contains two mathematical expressions related to limits as follows: 1. The first expression is: \[ \lim_{n \to \infty} \frac{3n + 1}{7n - 3} = \frac{3}{7}. \] This represents the limit of the sequence \(\frac{3n + 1}{7n - 3}\) as \(n\) approaches infinity. The limit is \(\frac{3}{7}\). 2. The second expression is: \[ \lim_{n \to \infty} \left((-1)^n + \frac{1}{n}\right) \text{ does not exist.} \] This indicates that the limit of the sequence \((-1)^n + \frac{1}{n}\) does not exist as \(n\) approaches infinity. The oscillating behavior of \((-1)^n\) leads to the non-existence of the limit.
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