Question

Determine o valor de C7,2+C6,3

Answer 1

Resposta:

41

Explicação passo a passo:

$c_n_,_p=\frac{n!}{p!(n-p)!} \\\\C_7_,_2=\frac{7!}{2!.5!}=\frac{7.6}{2}= 21\\\\C_6_,_3=\frac{6!}{3!3!} =\frac{6.5.4}{6} =20\\\\21+20=41$