Question:
Mark $(\sqrt{)}$ against the correct answer in each of the following:
$\int(\log x)^{2} \mathrm{dx}=?$
A. $\frac{2 \log x}{x}+C$.
B. $\frac{1}{3}(\log x)^{3}+C$
C. $x(\log x)^{2}-2 x \log x+2 x+C$
D. $x(\log x)^{2}+2 x \log x-2 x+C$
Solution:
