a) find the coefficient of x^3y^5 in the expansion of (x+y)^8
b)Pigeonhole Principle/Multiplication Principle/Addition Principle
If you have brown, blue, black, green, tan, and white socks, in a drawer, how many socks must you remove from the drawer in order to be sure of having a match?
c) how many numbers must you choose from the set {1,2,3,....,15} to be sure that you have at least one even number? at least one odd number?
2007-04-17
05:39:23
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4 answers
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asked by
OnAJourney
3
in
Mathematics