What is the meaning of two numbers in parentheses without a fraction line?

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The discussion centers on the interpretation of two numbers in parentheses that resemble a fraction without a line, which is identified as a binomial coefficient. The formula for the binomial coefficient is provided, highlighting its mathematical significance. Participants express gratitude for the clarification and share their newfound understanding. The conversation reflects a collaborative effort to resolve confusion surrounding the notation. Overall, the thread successfully demystifies the concept of binomial coefficients for users.
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when you have two numbers that look almost like a fraction (except without the line in the middle), surrounded by parentheses?
 
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moonman239 said:
when you have two numbers that look almost like a fraction (except without the line in the middle), surrounded by parentheses?

You may be describing a binomial coefficient:

\binom n k = \frac {n!}{k!(n-k)!}
 
Damnit! I was too slow (took me a while to remember the English)! :biggrin:

Anyway...here it is Binomial Coefficient
 
Resolved, thanks y'all.
 
phyzmatix said:
Legend! Didn't know about this. Thanks!

It's on my bookmarks toolbar!
 

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