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Paraphin [41]
3 years ago
8

Choose the correct formula for combination. A . n!/r!(n-r)! B. n!/(n-r)!

Mathematics
1 answer:
OleMash [197]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The number of combinations of n objects taken r at a time is determined by the following formula: C(n,r)=n!/(n−r)!

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