Find how many different choices of officers are possible

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Reference no: EM13252106

A president, secretary, and treasurer are to be chosen from a group of 10 senior members of the IEEE student chapter at the Citadel. Assume that each member cannot serve more than one position. How many different choices of officers are possible if

(a) there are no restrictions;

(b) Members A and B refuse to serve together;

(c) Member C will serve only if he is president?

Reference no: EM13252106

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