Question

QUAL O VALOR DE A 10,3
OBS: SOBRE ANALISE COMBINATORIA

Answer 1

C10,3= 10!/3!.(10-3)!
C10,3= 10!/3!.7!
C10,3=10*9*7!/3!.7!
C10,3=10*9*8/6
C10,3= 720/6
C10,3= 120


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A10,3= 10!/(10-3)!
A10,3= 10!/7!
A10,3= 10*9*8
A10,3= 720