(2k+1)! > 10¹

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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How do you find k? Please show step by step.

The expression in the image is:

\[
(2k + 1)! > 10^4
\]

Explanation:

- **(2k + 1)!**: Represents the factorial of \(2k + 1\). The factorial, denoted by an exclamation mark (!), is the product of all positive integers up to the given number. For example, \(5! = 5 \times 4 \times 3 \times 2 \times 1 = 120\).

- **10^4**: This is an exponential expression equivalent to 10,000.

The inequality states that the factorial of \(2k + 1\) is greater than 10,000. To solve for \(k\), you would need to find the smallest integer \(k\) such that \( (2k + 1)! \) satisfies the inequality.
Transcribed Image Text:The expression in the image is: \[ (2k + 1)! > 10^4 \] Explanation: - **(2k + 1)!**: Represents the factorial of \(2k + 1\). The factorial, denoted by an exclamation mark (!), is the product of all positive integers up to the given number. For example, \(5! = 5 \times 4 \times 3 \times 2 \times 1 = 120\). - **10^4**: This is an exponential expression equivalent to 10,000. The inequality states that the factorial of \(2k + 1\) is greater than 10,000. To solve for \(k\), you would need to find the smallest integer \(k\) such that \( (2k + 1)! \) satisfies the inequality.
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