Question

³log12-3.³log2+³log9-³log1/2=

yang tau jwb yaaa ??

Answer 1

Materi Logaritma 
Kelas X

³log12-3.³log2+³log9-³log1/2
=> ³log12 - ³log2³ + ³log9 - ³log1/2
=> ³log(12.9 / 8.1/2)
=> ³log27
=> 3

Sifat logaritma 
^alogb + ^alogc = ^alog(b.c)
^alogb - ^alogc = ^alog(b/c)