[tex]log _{3} ^{2} 3 \sqrt{6} -log _{3} ^{2} \sqrt{6}
\\ log _{3}18 [/tex]

(log(3)3√6-log(3)√6)(log(3)3√6+log(3)√6)/log(318==log(3)(3√6/√6)*log(3)(3√6*√6)/log(3)18=log(3)3*log(3)18/log(3)18=1