Question

Rezolvați inecuatia x(x-1) supra x-3 mai mare sau egal decât 0.

Answer 1

$\frac{x(x - 1)}{x - 3} \geqslant 0$

$\frac{x(x - 1)}{x - 3} \geqslant \frac{0}{x - 3}$

$x(x - 1) \geqslant 0 \: | \div x$

$x - 1 \geqslant 0$

$x \geqslant 1$

x={1,2,3,....,n,...}