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Zarrin [17]
3 years ago
6

What is the formula for combinations

Mathematics
1 answer:
Rashid [163]3 years ago
6 0
<span><span>Note: , where nPr is the formula for permutations of n objects taken r at a time.</span><span>Example:How many different committees of 4 students can be chosen from a group of 15?</span><span>Answer:There are possible combinations of 4 students from a set of 15.</span><span>There are 1365 different committees</span></span>
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