jika ² log 3 =p maka 8 log 18

²log 3 = p

⁸log 18
= ²log18 / ²log8
= [²log(2 x 9)] / ²log 2³
= [²log 2 + ²log 9] / (3. ²log2)
= [1 + ²log 3²] / 3
= [1 + 2.²log3] / 3
= [1 + 2p] / 3
= (2p + 1) / 3

Jawaban B