The second order derivative of $y=x^4 \log x$ is:

$4 x^3$ $x^2(7+12 \log x)$ $x(3+5 \log x)$ $4 x \log x$

$x^2(7+12 \log x)$

The correct answer is Option (2) → $x^2(7+12 \log x)$