Question

Calcule: log5. log5.log3
                 3      2      5

Answer 1

$log_{3}5.log_{2}5.log_{5}3.$
$\frac{log5}{log3} . \frac{log5}{log2}. \frac{log3}{log5}$
$\frac{log5}{log2}=log_{2}5$