sederhana kanlah2log 50+2log8-2log 100

²log 50 + ²log 8 - ²log 100
= ²log (50 x 8 : 100)
= ²log 4
= ²log 2²
= 2 . ²log 2
= 2

²log 50 + ²log 8 - ²log 100 = ²log (50×8÷100)
                                         = ²log 4
                                         = 2