Solution_to_Quiz_2

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

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Solution to Quiz 2 1. (1) 6! 720 = (2) 2!3!3! 72 = (3) 3!4! 144 = 2. Use ( 29 0 the binomial theorem : n n k n k k n x y x y k - = �� + = �� �� ° (1) ( 29 ( 29 2 3 2 3 5 2 3 1080 2 x y x y �� = �� �� (2) ( 29 ( 29 5 0 5 5 2 3 32 0 x y x ��
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