$$10ln(3-\sqrt{2})+10ln(3+\sqrt{2})$$
$10\left(\ln(\sqrt{2}+3)+\ln(3-\sqrt{2})\right)\approx 19.459101491$
$10 {(\log_{e} {(\sqrt{2} + 3)} + \log_{e} {(3 - \sqrt{2})})} = 19.459101491$
