sederhanakan soal nomor 1 dan nomor 3

1) ³√8x^12 / (4x²)³
= ³√(2³)x^12 / {4³x^(2×3)}
= {2^(3/3) . x^(12/3)} / {64x^6}
= {2¹ . x^4} / (64x^6)
= 2/(64.x^(6-4))
= 1/32x²

3) ²log 8 - 3 ^5log 125 + 4 ³log 27
= ²lpg 2³ - 3 ^5log 5³ + 4 ³log 3³
= 3 - 3(3) + 4(3)
= 3 - 9 + 12
= 6