Question

Решите неравенство: (x-1)/(x-4)>0

Answer 1

$(x-1)=0$
$(x-4)=0$
$x=1$
$x=4$
$x\ \textless \ 1$ истинно
$1\ \textless \ x\ \textless \ 4$ ложно
$x\ \textgreater \ 4$ истинно
$x\ \textless \ 1$ или $x\ \textgreater \ 4$