saleh2 saleh2
  • 16-11-2016
  • Mathematics
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What is the formula for combinations

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Serreon2003
Serreon2003 Serreon2003
  • 16-11-2016
Note: , where nPr is the formula for permutations of n objects taken r at a time.Example:How many different committees of 4 students can be chosen from a group of 15?Answer:There are possible combinations of 4 students from a set of 15.There are 1365 different committees
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