log2 x + log3 x< log3 6
Ответы на вопрос
Ответил sukonnikoffma
0
ОДЗ:x>0
log 2 (x)=(log 3 (x))/(log 3 (2)
(log 3 (x))/(log 3 (2)+log 3 (x) < log 3 (6)
log 3 (x) (1/log 3 (2) +1)< log 3 (6)
log 3 (x) (log 3 (2) +1)/(log 3 (2)< log 3 (6)
log 3 (x) (log 3 (6))/log 3 (2)<log 3 (6)|: log 3 (6)>0
(log 3 (x))/(log 3 (2)) <1 |* log 3 (2)>0
log 3 (x)<log 3 (2)
x<2
ОДЗ: x>0
Ответ: х∈(0; 2)
log 2 (x)=(log 3 (x))/(log 3 (2)
(log 3 (x))/(log 3 (2)+log 3 (x) < log 3 (6)
log 3 (x) (1/log 3 (2) +1)< log 3 (6)
log 3 (x) (log 3 (2) +1)/(log 3 (2)< log 3 (6)
log 3 (x) (log 3 (6))/log 3 (2)<log 3 (6)|: log 3 (6)>0
(log 3 (x))/(log 3 (2)) <1 |* log 3 (2)>0
log 3 (x)<log 3 (2)
x<2
ОДЗ: x>0
Ответ: х∈(0; 2)
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