Question

Resolva a inequação:
(√2)/2 - 1/x > 0

Answer 1

Olá!!!

Resposta...

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$=\dfrac{\sqrt{2}}{2}-\dfrac{1}{x}>0$

$=\dfrac{\sqrt{2}x-2}{x}>0$

$\bf x<0\quad \mathrm{ou}\quad \:x>\sqrt{2}$