OpenStax, Contemporary Mathematics §7.2 Permutations · Example 3 · Combinatorics · Permutations & combinations
Permutations · Example 3
Find the following numbers:
(a) The number of permutations of 12 objects taken 3 at a time
(b) The number of permutations of 8 objects taken 5 at a time
(c) The number of permutations of 32 objects taken 2 at a time
OpenStax, Contemporary Mathematics · §7.2 Permutations · Example 3
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