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Our club has 10 members, and we need to appoint a president, a vice-president, and a secretary. How many ways can we do this if: (a) Each member can hold at most one office? (b) members can hold any number of offices?

 May 22, 2021
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(a) 10*9*8 = 720

 

(b) C(10,3) = 120.

 Jun 19, 2021

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