Решите неравенствоа)[latex] \frac{1}{x} больше 1[/latex]б)[latex] \frac{x-1}{x} меньше 1[/latex]

[latex]\frac{1}{x}>1, \\x \neq 0, \\  \frac{1}{x}-1>0, \\ \frac{1-x}{x}>0, \\ \left [ {{ \left \{ {{1-x<0,} \atop {x<0;}} \right. } \atop { \left \{ {{1-x>0,} \atop {x>0;}} \right. }} \right.  \left [ {{ \left \{ {{x>1,} \atop {x<0;}} \right. } \atop { \left \{ {{x<1} \atop {x>0;}} \right. }} \right.  \left [ {{x\in\varnothing,} \atop {00, \\ x>0.[/latex]