\( \int \frac{1 + \ln(x+1)}{x^2} \, dx \quad \text{(2012.4)} \)

\( \int \frac{x^2 - 1}{x^2} \ln x \, dx \)        (2013.A)

Làm thêm:
                 \( \int \frac{3 + \ln x}{(x+1)^2} \, dx \)        (2009.B)

\( \int \ln(x^2 - x) \, dx \quad \text{(2004.D)} \)

\( \int \frac{\ln(\sin x)}{\cos^2 x} \, dx \)

\( \int \cos x \ln(1 + \cos x) \, dx \)