2" Σ (2n)! n=0

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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power series: using the Ratio Test or the Root Test to determine the radius of convergence, and indicate the open interval of convergence. 

The image displays a mathematical series that can be described as follows:

\[
\sum_{n=0}^{\infty} \frac{2^n}{(2n)!} x^n
\]

This represents an infinite sum where:

- The symbol \(\sum\) denotes summation. The expression \(\sum_{n=0}^{\infty}\) indicates that the sum starts at \(n = 0\) and continues indefinitely.
- \(\frac{2^n}{(2n)!}\) is the coefficient of \(x^n\), where \(2^n\) is \(2\) raised to the power of \(n\) and \((2n)!\) is the factorial of \(2n\), which means the product of all integers from \(1\) to \(2n\).
- \(x^n\) is \(x\) raised to the power of \(n\).

This series is commonly encountered in mathematical contexts dealing with power series and may relate to functions like the exponential function or others when specifically evaluated.
Transcribed Image Text:The image displays a mathematical series that can be described as follows: \[ \sum_{n=0}^{\infty} \frac{2^n}{(2n)!} x^n \] This represents an infinite sum where: - The symbol \(\sum\) denotes summation. The expression \(\sum_{n=0}^{\infty}\) indicates that the sum starts at \(n = 0\) and continues indefinitely. - \(\frac{2^n}{(2n)!}\) is the coefficient of \(x^n\), where \(2^n\) is \(2\) raised to the power of \(n\) and \((2n)!\) is the factorial of \(2n\), which means the product of all integers from \(1\) to \(2n\). - \(x^n\) is \(x\) raised to the power of \(n\). This series is commonly encountered in mathematical contexts dealing with power series and may relate to functions like the exponential function or others when specifically evaluated.
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