3 log 7 . 4 log 27 . 7 log 0.5

Bab Logaritma
Matematika SMA Kelas X

³log 7 . ⁴log 27 . ⁷log 0,5
= ³log 27 . ⁴log √(1/4) . ⁷log 7
= (³log 3³) . (⁴log 4^-1/2) . 1
= 3 . (-1/2)
= -3/2

3log7 . 4log27 . 7log0,5
= 3log7 . 7log0,5 . 4log27
= 3log0,5 . 4log27
= 3log1/2 . (2^2)log(3^3)
= 3log(2^-1) . 3/2 . 2log3
= -1 . 3log2 . 3/2 . 2log3
= -1 . 3/2 . 3log2 . 2log3
= -3/2