Question

Ma puteti ajuta va rog cu ex 4 dubpunctele a,b si c??dau coroanaaa!!❤️

Answer 1

Răspuns:

a)

$\frac{3}{x - 1} < 0 \\ x - 1 < 0 \\ x < 1$

b)

$\frac{ - 2}{x + 2} > 0 |? \div (-2) \\ \frac{1}{x + 2} < 0 \\ x + 2 < 0 \\ x < - 2$

c)

$\frac{ - 5}{3x + 1)} < 0 | \div ( - 5) \\ \frac{1}{3x + 1} > 0 \\ 3x + 1 > 0 \\ 3x > - 1 \\ x > - \frac {1}{3}$