Combinations with Return: Partition Method Problems
In this video, we'll introduce a new important concept—combination with return—after which we'll structure our accumulated knowledge and, of course, solve problems.
Our solutions will be based on the so-called "partition method," which is often useful.
This will be especially relevant for schoolchildren preparing for Olympiads, as such problems are quite common. And it's just beautiful :)
The lesson plan, practice problems, and answers can be found at this link: https://zhestkov.online/public/course...
Even more math at my school: https://zhestkov.online
00:00 Start
00:25 Placements and combinations without replacement
01:32 Combinatorics with replacement
03:36 Combinations with replacement
06:14 General table
07:00 Problem solving
13:38 Conclusion
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#Mathematics #Combinatorics #Higher Mathematics
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