1. Nilai dari ⁵log 48ײlog 5-²log 3 adalah

logaritma

•

⁵log 48 . ²log 5 – ²log 3

= ²log 5 . ⁵log 48 – ²log 3

= ²log 48 – ²log 3

= ²log (48/3)

= ²log 16

= ²log 2⁴

= 4

••

³log 2 = a

⁴log 27

= (2²)'log 3³

= 3/2 . ²log 3

= 3/2 a