Question: Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int \frac{\log x}{x^{2}} d x=?$
A. $-\frac{1}{x}(\log x+1)+C$
B. $\frac{1}{x}(\log x-1)+C$
C. $\frac{1}{\mathrm{x}}(\log \mathrm{x}+1)+\mathrm{C}$
D. none of these
Solution:
