Permutations and Combinations lesson 4 - Permutations without repetition

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Australia Magic Monk
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Published on ● Video Link: https://www.youtube.com/watch?v=lL-1P1RlVcs


Duration: 13:00
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In this lesson we talk about the meaning of permutations (finally). We then talk about the formula nPr which calculates how many different permutations there are for picking r things from n things (when ordering is important). We also do two practice questions.



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Tags:
permutations and combinations
permutations without rearrangement
permutations example
what is permutation