^2log (1/8) + ^2log 3.^9log 16 - 1/9log 3 PS: ^ angka kecil diatas mis, ^2 : pangkat 2.

jawab

²log(1/8) + ²log 3. ⁹log 16 - ¹/⁹log 3 =
= ²log 2⁻³ +²log 3.³^²log 2⁴ - ³^(⁻²) log 3
= -3 +²log 3 (4/2).³log 2 - (1/2) ³log 3
= - 3 + 2 (²log 3. ³log 2) - 1/2 (³log 3)
= - 3 + 2 - 1/2
= - 1 ¹/₂