SOLUTION: Write 13C5 in terms of factorials

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Question 1111451: Write 13C5 in terms of factorials
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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C%5B13%5D%5E5 = 13%21%2F%285%21%2A%2813-5%29%21%29 = 13%21%2F%285%21%2A8%21%29.

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On Combinations,  see the lessons
    - Introduction to Combinations
    - PROOF of the formula on the number of Combinations
    - Problems on Combinations
    - OVERVIEW of lessons on Permutations and Combinations
in this site.

Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic  "Combinatorics: Combinations and permutations".


Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.