Evaluate the following$\displaystyle\int\frac{e^{6log x}-e^{5log x}}{e^{4log x}-e^{3log x}}$$dx$

Question

$\begin{array}{1 1} (A)\;\frac{x^2}{2}\\ (B)\;\frac{x^3}{3} \\ (C)\; x \\ (D)\;log x\end{array}$