2: Let S = {1, 2, 3, 4, 5} (a) how many permutations Does Shave? How many 4-permutations Does S have? How many 4- permut

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2 Let S 1 2 3 4 5 A How Many Permutations Does Shave How Many 4 Permutations Does S Have How Many 4 Permut 1 (19.5 KiB) Viewed 186 times

2: Let S = {1, 2, 3, 4, 5} (a) how many permutations Does Shave? How many 4-permutations Does S have? How many 4- permutations with rehearsal has s? (b)How many subsets Does Shave? How many 4-combinations Does Shave? (c) What lexicographic rank does the permutation (4, 1, 3, 2, 5) have? (d) which permutation of S has lexicographic rank 75? (e) what lexicographic rank does the 3-permutation (3, 5, 2) of Shave? (f) what lexicographic rank has 3 - the permutation with repetition (3,5,2) of S? (g) which 4-permutation with repetition of S has the lexicographic rank 100? (h) List in lexicographic order the first four 3-combinations of S?