Log3(log2 5×log5 8)помогите!!

Question

Log3(log2 5×log5 8)помогите!!

Answer 1

Log₃(log₂5*log₅8)=log₃(log₂5*log₅2³)=log₃(log₂5*3*log₅2)=
=log₃(3*log₂5/log₂5)=log₃3=1.