2log3 =x 5log2=y maka 8log75

Kelas 10 Matematika
Bab Logaritma

⁵log 2 . ²log 3 = y . x
⁵log 3 = xy

⁸log 75 = (³log 75)/(³log 8)
⁸log 75 = (³log (5 . 3))/(³log 2³)
⁸log 75 = (³log 5 + ³log 3)/(3 . ³log 2)
⁸log 75 = (xy + 1)/(3 . 1/x)
⁸log 75 = (x²y + x)/3