Determine if each sequenceconverges or diverges. If it converges find the limit. Clearly explain your reasoning

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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2. Determine if each sequenceconverges or diverges. If it converges find the limit. Clearly explain your reasoning

**Mathematical Sequences**

**g) Given Sequence:**

\[ a_n = \ln(n + 1) - \ln(n) \]

This sequence represents the difference between the natural logarithms of consecutive integers. The natural logarithm function, denoted by \(\ln\), is the inverse of the exponential function \(e^x\). This expression can also be rewritten using logarithmic properties as:

\[ a_n = \ln\left(\frac{n+1}{n}\right) \]

**h) Given Sequence:**

\[ a_n = \frac{(-3)^n}{n!} \]

This sequence involves the exponential term \((-3)^n\), where n is the term position, divided by the factorial of n, denoted by \(n!\). The factorial function \(n!\) is the product of all positive integers up to n. This expression describes a sequence that involves both exponential growth and factorial growth, which is useful in understanding series expansions like the Taylor series.
Transcribed Image Text:**Mathematical Sequences** **g) Given Sequence:** \[ a_n = \ln(n + 1) - \ln(n) \] This sequence represents the difference between the natural logarithms of consecutive integers. The natural logarithm function, denoted by \(\ln\), is the inverse of the exponential function \(e^x\). This expression can also be rewritten using logarithmic properties as: \[ a_n = \ln\left(\frac{n+1}{n}\right) \] **h) Given Sequence:** \[ a_n = \frac{(-3)^n}{n!} \] This sequence involves the exponential term \((-3)^n\), where n is the term position, divided by the factorial of n, denoted by \(n!\). The factorial function \(n!\) is the product of all positive integers up to n. This expression describes a sequence that involves both exponential growth and factorial growth, which is useful in understanding series expansions like the Taylor series.
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