PERMUTATIONS And COMBINATIONS
PERMUTATIONS and COMBINATIONS If the order doesn't matter, it is a Combination. If the order does matter it is a Permutation. PRACTICE! To determine the number of combinations we use the rule: nC r =
PERMUTATIONS And COMBINATIONS
PERMUTATIONS and COMBINATIONS If the order doesn't matter, it is a Combination. If the order does matter it is a Permutation. PRACTICE! To determine the number of combinations we use the rule: nC r =
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