\(B = \left( {\frac{{2 + \sqrt x }}{{\sqrt x }} - \frac{{\sqrt x }}{{\sqrt x - 2}}} \right):\frac{{4\sqrt x - 4}}{{x - 2\sqrt x }},\,\,\,\,x > 0,\,\,\,x \ne 1,\,\,\,x \ne 4.\)
A.\(B = \frac{1}{{\sqrt x - 1}}\)
B.\(B = - \frac{1}{{\sqrt x - 1}}\)
C.\(B = \frac{4}{{\sqrt x - 1}}\)
D.\(B = - \frac{4}{{\sqrt x - 1}}\)
A.\(B = \frac{1}{{\sqrt x - 1}}\)
B.\(B = - \frac{1}{{\sqrt x - 1}}\)
C.\(B = \frac{4}{{\sqrt x - 1}}\)
D.\(B = - \frac{4}{{\sqrt x - 1}}\)
Loga
Hóa Học lớp 12
