Log 14 -1/3log 56
7 7 = 2/3 =2/3:1/2=2/3·2/1=4/3=1 1/3
log 30 - 1/2log 150 1/2
6 6
1)
log 14 - log ∛56 = log 14:∛56= log 7:∛7=log 7:7^1/3=log 7^2/3=
7 7 7 7 7 7
=2/3 log 7=2/3·1=2/3
7
2)
log 30-log √150=log 30:√150=log 6:√6=log 6^1/2=1/2log 6=1/2
6 6 6 6 6 6
Ответ:1 1/3