Given that $\displaystyle \frac{5}{2} \le \frac{5}{x} \le 5$ on [1, 2] to estimate $\displaystyle \int_{1}^{\,2} {\frac{5}{x}}\, dx\,.$

$\displaystyle \le \int_{5}^{\,2} {\frac{1}{x}}\, dx \le$