Log27 18+log1/27 2 помогите

Question

Log27 18+log1/27 2 помогите

Answer 1

Log27 18=1/3 log3 18
log 1/27 2=-1/3 log 3  2
log 27 18+log 1/27 2=1/3[log3 18-log3 2]=1/3*log3 18/2 =1/3*log3 9=1/3*2=2/3