10 ^2/log3 10+ 3^ 1/log6 3
10 ^2/log_3 (10)+ 3^ 1/log_6 (3) = 10 ^2log_10(3)+ 3^log_3(6) = = 10 ^log_10(3)²+ 3^log_3(6)= 9+6=15