Diketahui 3log 2= a dan 5 log 3 =b Nilai 6log 40=.....????

Bab Logaritma
Matematika SMA Kelas X

⁶log 40 = ³log 40 : ³log 6
⁶log 40 = (³log (2³ x 5)) : (³log (2 x 3))
⁶log 40 = (³log 2³ + ³log 5) : (³log 2 + ³log 3)
⁶log 40 = (3a + 1/b) : (a + 1)
⁶log 40 = (3ab + 1)/b : (a + 1)
⁶log 40 = (3ab + 1) / (ab + b)