Question

2 log 2 2√2 Log2log2 4 Log5log3 3

Answer 1

$2log_{2} (2 \sqrt{2})= log_{2} (2 \sqrt{2} )^2= log_{2} 8=3$
$log_{2} ( log_{2} (4))= log_{2} 2=1$
$log_{5} ( log_{3} (3))= log_{5} 1=0$