Question

Determine o valor de N na equação: (n+2) (n-1)!/n!= 4/3

Answer 1

Resposta:

n =6

Explicação passo-a-passo:

$\frac{(n+2)(n-1)!}{n!}= \frac{4}{3}\\\\\frac{(n+2)(n-1)!}{n(n-1)!}=\frac{4}{3}\\\\\frac{n+2}{n}=\frac{4}{3}\\\\4n=3n+6\\\\4n-3n=6\\\\n=6$