Question

2log7 6-log7 3/log7 144
Решить логорифм

Answer 1

(2log7 6-log7 3)/log 7 144=(log7 6^2-log7 3)/log7 144=(log7 36-log7 3)/log7 144=log7 (36/3)/log7 144=log7 12/log7 144=log7 12/log7 (12)^2=log7 12/2log7 12=1/2.