[tex] \sqrt{ \frac{3x^2}{x^4 \cdot 6} } = \frac{12x}{36} \\ \\ \sqrt{ \frac{1}{2x^2} }= \frac{x}{3} \\ \\ \frac{1}{x \sqrt{2} } = \frac{x}{3} \Rightarrow x^{2} = \frac{3}{ \sqrt{2} } \Rightarrow x= \sqrt{ \frac{3 \sqrt{2} }{2} } \notin Q. \\ \\ Solutie:~multimea~vida.[/tex]
