Question

Simplificando a expressão $\frac{1}{(n-1)!} = \frac{1}{n!}$ , (n≠0)

Answer 1

$\frac{1}{(n - 1)!} = \frac{1}{n!} \\ n! = (n - 1)! \\ n(n - 1)! = (n - 1)! \\ \boxed{n = 1}$