Jawabanmu

2014-08-31T20:24:33+07:00
Log√a + log √b - 1/2 log ab
= 1/2.log a + 1/2.log b - 1/2.log ab
= 1/2.log ab - 1/2.log ab
= 0
2014-08-31T20:32:48+07:00
log√a + log √b - 1/2 log ab
= 1/2.log a + 1/2.log b - 1/2.log ab
= 1/2.(log a + log b - log ab)
= 1/2.(log ab/ab)

= 1/2.(log 1)
= 1/2 . 0 = 0