griseldah250 griseldah250
  • 21-06-2017
  • Mathematics
contestada

The Greek alphabet contains 24 letters. How many fraternity names with Greek letters can be formed if each fraternity name contains 2 letters and repetition of letters is permitted?

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cyberiapark
cyberiapark cyberiapark
  • 23-06-2017
Answer:
P(n,r)=P(24,2)=24!(24−2)! = 552
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DavudJr DavudJr
  • 28-06-2017
its 576 
..............
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