tolong kak bantu.butuh banget saya

LogAritMa

³log 5 = A
³log 2 = B

12'log 15
= ³log 15 / ³log 12
= ³log (3 × 5) / ³log (3 × 2²)
= (³log 3 + ³log 5) / (³log 3 + 2 . ³log 2)
= (1 + A) / (1 + 2B)