2log3=a 3log5=b mqka 4log15=?? soal logaritma kelas 10

LogAritMa

²log 3 = a
³log 5 = b
²log 5 = ab

⁴log 15
= 1/2 . ²log (3 × 5)
= 1/2 (²log 3 + ²log 5)
= 1/2 (a + ab)