\(A = \dfrac{{{x^2} - 1}}{{{x^2} - 2x + 1}}\left( {\dfrac{1}{{x + 1}} + \dfrac{1}{{x - 1}}} \right)\)
A.\(A = \dfrac{x}{\left ( x - 1 \right )^2}\)
B.\(A = \dfrac{x}{\left ( x + 1 \right )^2}\)
C.\(A = \dfrac{2x}{\left ( x + 1 \right )^2}\)
D.\(A = \dfrac{2x}{\left ( x - 1 \right )^2}\)
A.\(A = \dfrac{x}{\left ( x - 1 \right )^2}\)
B.\(A = \dfrac{x}{\left ( x + 1 \right )^2}\)
C.\(A = \dfrac{2x}{\left ( x + 1 \right )^2}\)
D.\(A = \dfrac{2x}{\left ( x - 1 \right )^2}\)
Loga
Hóa Học lớp 12
