Discrete Math CH 1 & 2

8 cards   |   Total Attempts: 188
  

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Cards In This Set

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Number of subsets of n-element set?
2^n
Number of permutations of k objects from a set of n objects
P(n,k) = n!/(n-k)!

ex: how many ways can four books from a set of 10 books be arranged on a shelf?

P(10,4)= 10*9*8*7=5040
Combination
A subset, a selection of the elements of the set in which the order of the selected elements doesn't matter
C(n,k)
N!/[k!(n-k)!]
Binomial coefficient
Entry in row n, column k. C(n,k)
Pascal's Identity
Answer
Binomial Theorem
Answer
Binomial Series
Answer