hitungalah nilai dari 4log 40-4log15

LogAritMa

⁴log 40 - ⁴log 15
= ⁴log (40/15)
= (1/2) . ²log (2³/3)
= (3/2) .²log (2/3)
= 3/2 (²log 2 - ²log 3)
= 3/2 (1 - ²log 3)