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I run a book club with n people, not including myself. Every day, for 365 days, I invite four members in the club to review a book. What is the smallest positive integer n so that I can avoid ever having the exact same group of four members over all 365 days?

 

Thanks in advance for anyone who helps ^0^

 Feb 28, 2020

Best Answer 

 #1
avatar+6252 
+1

What you need is n∋(n4)≥365Whipping out our pocket Pascal's Triangle we see that(114)=330(124)=495So a group of 12 people and you're good to go

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 Feb 28, 2020

3+0 Answers

 #1
avatar+6252 
+1
Best Answer

What you need is n∋(n4)≥365Whipping out our pocket Pascal's Triangle we see that(114)=330(124)=495So a group of 12 people and you're good to go

Rom Feb 28, 2020
 #2
avatar+130501 
0

"Pocket Pascal's Triangle  "  ⇒  LOL!!!!

 

 

cool cool cool

CPhill  Feb 28, 2020
 #3
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Thank you ^0^ 

 

I haven't learned about Pascal's Triangles yet, so I'll go and search them up and see if I can do my other homeworks by myself.

Guest Feb 28, 2020

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