sedehanakan 2log12 - 4log 9

jawab

²log 12 - ⁴log 9 =
= ²log (2². 3)  - ²^²log 3²
= ²log 2² + ²log 3 - ²log 3
= 2(²log 2)
= 2

²log12 - ⁴log9
= ²log12 - ²^²log3²
= ²log12 - ²log3
= ²log12/3
= ²log4
= ²log2²
= 2