9.1, 9.2

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9.1, 9.2

  1. 1. 9 . 1 B A S I C C O M B I N A T O R I C S9 . 2 T H E B I N O M I A L T H E O R E MDiscrete Mathematics
  2. 2. Multiplication Principle of Counting Counting the number of ways that a set of n-objects(called an n-set) can be arranged in order. Each order is called a permutation. There are n! permutations of an n-set.
  3. 3. Distinguishable Permutations DRAGONFLY 362,880 BUTTERFLY 181,440 BUMBLEBEE 10,080
  4. 4. Distinguishable Permutations
  5. 5. Combinations
  6. 6. Subsets of a Set
  7. 7. Powers of Binomial 11a1 b0 + 1a0b11a1 b0 + 2a1b1 + 1a0b1

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