Compute the value of the following. (Assume n is an integer.) (:), for n 2 3
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Compute the value of the following. (Assume n is an integer.)
n |
3 |
![**Problem:**
Compute the value of the following. (Assume \( n \) is an integer.)
\[
\binom{n}{3}, \text{ for } n \geq 3
\]
**Explanation:**
This problem involves computing the binomial coefficient, which is denoted as \( \binom{n}{3} \). The binomial coefficient \( \binom{n}{r} \) represents the number of ways to choose \( r \) elements from a set of \( n \) elements without regard to the order of selection.
**Formula:**
The formula for the binomial coefficient is:
\[
\binom{n}{r} = \frac{n!}{r!(n-r)!}
\]
For this specific case, \( r = 3 \), so:
\[
\binom{n}{3} = \frac{n!}{3!(n-3)!}
\]
**Conditions:**
The problem specifies that \( n \) must be greater than or equal to 3. This ensures that the selection is possible since there must be at least 3 elements to choose from.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa39a981d-f6af-4416-867c-0e8b7c81a8f4%2Fb59a01d5-318b-49ae-9969-c48617860e9c%2Fej3fq6c_processed.png&w=3840&q=75)
Transcribed Image Text:**Problem:**
Compute the value of the following. (Assume \( n \) is an integer.)
\[
\binom{n}{3}, \text{ for } n \geq 3
\]
**Explanation:**
This problem involves computing the binomial coefficient, which is denoted as \( \binom{n}{3} \). The binomial coefficient \( \binom{n}{r} \) represents the number of ways to choose \( r \) elements from a set of \( n \) elements without regard to the order of selection.
**Formula:**
The formula for the binomial coefficient is:
\[
\binom{n}{r} = \frac{n!}{r!(n-r)!}
\]
For this specific case, \( r = 3 \), so:
\[
\binom{n}{3} = \frac{n!}{3!(n-3)!}
\]
**Conditions:**
The problem specifies that \( n \) must be greater than or equal to 3. This ensures that the selection is possible since there must be at least 3 elements to choose from.
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