Derangement || Combinatorics || ISI CMI Entrance || Math Olympiad

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In this video, we are going to discuss What is derangement.
This video is useful for ISI & CMI Entrance and Math Olympiad.

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  1. Cheenta Academy for Olympiad & Research
  2. Permutation
  3. Combination
  4. what is Derangement
  5. Combinatorics
  6. ISI Entrance
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Комментарии
Автор

Sir please solve this problem for me --- suppose 3 people are seated in 3 of the 5 chairs in a room . After the break in how many ways can they be seated so that no person occupies the same chair as before

munchenmunchen
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Sir, you are not explaining any topic or any of problem clearly. Actually one math expert sometimes can not get you. So how students will get you?

AbhijitRoy-ubnu