Question

Решить систему уравнений 1/x> 1 и 3-4x> =0

Answer 1

$\left \{ {{ \frac{1}{x} \ \textgreater \ 1} \atop {3-4x \geq 0}} \right.$
$\frac{1}{x} \ \textgreater \ 1$
 дробь положительная, правильная => 0<x<1
$\left \{ {{0\ \textless \ x\ \textless \ 1} \atop {-4x \geq -3}} \right. , \left \{ {{0\ \textless \ x\ \textless \ 1} \atop {x \leq \frac{3}{4} }} \right. , \left \{ {{0\ \textless \ x\ \textless \ 1} \atop {x \leq 0,75}} \right.$
             \ \ \ \ \ \ \ \ \  \ \  \ \ \
--------(0)-------[0,75]--------(1)--------------->x
 / / / / / / / / / / / / 

x∈(0; 0,75]