Tiêu đề Combinations - Complete.pptx ✅

Combinations

COMBINATIONS Difference Between a Permutation and a Combination In a combination, only a group is made and the order in which the objects are arranged is immaterial. On the other hand, in a permutation, not only the group is formed, but also an arrangement in a definite order is considered. In general, we use the word arrangements for permutations and the word selections for combinations. NOTE: