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