Question

6/x+6/x+1<5 решите неравенство

Answer 1

$\frac{6}{x} + \frac{6}{x} + 1 < 5 \\ 2 \times \frac{6}{x} + 1 < 5 \\ \frac{12 - 4x}{x} < 0 \\ x > 3 \\ x > 0 \\ x < 3 \\ x < 0 \\ x = ( - \infty; 0)U(3; + \infty )$