Question

determine o valor de X sabendo que x = c8,4 - c8,3​:

Answer 1

Resposta:

Explicação passo a passo:

C8,4=

8!/4!(8-4)!=

8!/4!4!=

8.7.6.5.4!/4!4!=

8.7.6.5/4.3.2.1=

7.2.5=

70

C8,3=

8!/3!(8-3)!=

8!/3!5!=

8.7.6.5!/3!5!=

8.7.6/3.2.1=

8.7=

56

x=C8,4-C8,3

x=70-56

x=14