sederhanakan ^2 log 25 × ^5 log 16 / ^5 log 9

2log25 x 5log16 / 5log9

= 2log5^2 x 5 log 2^4 / 5log3^2
= 2 2log5 x 4 5log2 / 2 5log3
= 8 2log2 / 2 5log3
= 4/5log3

Maaf jika ad kesalahan