Question

aflati n
(n+7)! / (n+5)! < 12

Answer 1

Explicație pas cu pas:

$\frac{(n + 7)! }{(n + 5)! } < 12 \\ \frac{(n + 5)! \times (n + 6) \times (n + 7)}{n + 5)! } < 12 \\ (n + 6) \times (n + 7) < 12 \\ 0 \times 1 < 12 \\ 1 \times 2 < 12 \\ 2 \times 3 < 12$

n={-6, - 5, - 4}