Question

am nevoie de rezolvare urgent,dau coroana va rog ajutati-ma​

Answer 1

Răspuns:

b)

Explicație pas cu pas:

$\frac{^{6)} 1}{2} < \frac{^{3)}n + 2}{4} < \frac{^{4)}5}{3} \\ 6 < 3(n + 2) < 20 \\ 6 < 3n + 6 < 20 \\ 0 < 3n < 14 \\ 0 < n < \frac{14}{3} = 4 \frac{2}{3} \\ 1 \leqslant n \leqslant 4$

=> n ∈ {1, 2, 3, 4}