\(\int {\dfrac{{ - 2}}{{x{{\left( {1 + \ln x} \right)}^2}}}dx\,\,\left( {x > 0} \right)} \) bằng:
A.\(\dfrac{{1 + \ln x}}{{1 - \ln x}} + C\)
B.\(\dfrac{{1 - \ln x}}{{1 + \ln x}} + C\)
C.\(\dfrac{{\ln x - 1}}{{1 + \ln x}} + C\)
D.\( - \dfrac{1}{2}\)
A.\(\dfrac{{1 + \ln x}}{{1 - \ln x}} + C\)
B.\(\dfrac{{1 - \ln x}}{{1 + \ln x}} + C\)
C.\(\dfrac{{\ln x - 1}}{{1 + \ln x}} + C\)
D.\( - \dfrac{1}{2}\)
Loga
Hóa Học lớp 12
