Log(5)6*log(6)0,2 Помогите(

Question

Log(5)6*log(6)0,2
Помогите(

Answer 1

Log(5)6*log(6)0.2
log(6)6*log(5)0.2
log(6)6=1
log(5)0.2=log(5)1/5=log(5)5^-1=-1
1*(-1)=-1