Nilai p yang memenuhi p log6 - p log9 + p log 1 per 2 = -1 adalah

p^log6 -  p^log9 + p^log 1/2 = -1
p^log(6/9 x 1/2) = -1
p^log(2/3 x 1/2) = -1
p^log1/3 = -1

p⁻¹ = 1/3
1/p = 1/3
p = 3