Решите неравенство
1. [tex] \sqrt{x-2} \ \textless \ 1[/tex]
2. 3-2х<12-5х
3. [tex]2- \frac{x-3}{x-2} \geq \frac{x-5}{x-1} [/tex]
Решите уравнение
[tex]1+ \frac{2}{x-1} - \frac{6}{ x^{2}-1 } = \frac{3}{x+1} [/tex]
Система
[tex] \left \{ {{ x^{2} + y^{2} = 34 } \atop {x-y=2}} \right. [/tex]
Пожалуйста.Срочно надо.Зарание спасибо.
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