isabelvolsky isabelvolsky

12-05-2021
Mathematics

contestada

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

Respuesta :

ashish4112119 ashish4112119

13-05-2021

the formula is

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

remember 0! = 1

so

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

so

B. 1

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