3 log 1 per 125 . 5 log 1 per 16 . 4 log akar 1 per 243

pake lambang mtk dik... yg baca juga males. kalo soalnya panjang gkan perbah yg mau baca...
^3log(1/125).^5log(1/16).^4log√(1/243)
= ³log5^-3.^5log2^-4.^(2²)log243^-(1/2)
= -3.³log5.(-4).^5log2.(-1/4).³log243
= (-3)(-4)(-1/4).³log5.^5log2.²log243
= -3.³log243
= -3.³log3^5
= -3(5)
= -15