2 years ago

Evaluate C(9, 9). A. 1 B. 0 C. 9

Mathematics

1 answer:

igor_vitrenko [27]2 years ago

3 0

the formula is

n!/(n-k)!)k!

remember 0! = 1

9!/(9!-0!)9! = 9!/9! = 1

B. 1

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