Solution_to_Quiz_2

Solution_to_Quiz_2 - STAT/MATH 418 Quiz 2 Solution Solution...

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Unformatted text preview: STAT/MATH 418 Quiz 2 Solution Solution to Quiz 2 1. (1) 6! = 720 (2) 2!3!3! = 72 n n (3) 3!4! = 144 n k n - k x y k k =0 5 5 0 2. Use the binomial theorem : ( x + y ) = 5 5 2 3 ( (1) 2 x ) ( 3 y ) = 1080 x y 2 2 3 5 ( (2) 2 x ) ( 3 y ) = 32 x 0 4 ( (3) 2 x ) ( 3 y ) = 810 xy 1 1 4 (4) 0 ...
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This note was uploaded on 06/28/2008 for the course MATH 418 taught by Professor Arnold,stevenfdong,yuexiao during the Summer '08 term at Penn State.

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