\(R = \left( {\frac{{3\sqrt x }}{{\sqrt x + 2}} + \frac{{\sqrt x }}{{\sqrt x – 2}} + \frac{{3x – 5\sqrt x }}{{4 – x}}} \right):\left( {\frac{{2\sqrt x – 1}}{{\sqrt x – 2}} – 1} \right)\) A \(R= -\frac{{\sqrt x }}{{\sqrt x – 2}}\) B \(R= \frac{{\sqrt x }}{{\sqrt x – 2}}\) C \(R= \frac{{\sqrt x }}{{\sqrt x + 2}}\) D \(R= -\frac{{\sqrt x }}{{\sqrt x + 2}}\)
\(R = \left( {\frac{{3\sqrt x }}{{\sqrt x + 2}} + \frac{{\sqrt x }}{{\sqrt x – 2}} + \frac{{3x – 5\sqrt x }}{{4 – x}}} \right):\left( …