计算log(3)4*log(8)27,括号中是底数

问题描述:

计算log(3)4*log(8)27,括号中是底数

=(lg2^2/lg3)*[(lg3^3)/(lg2^3)]
=(2*lg2/lg3)*[(3*lg3)/(3*lg2)]
=2

=log(3)4*log(2^3)3^3=log(3)4*3log(2^3)3
=3log(3)2^2*log(3)3/[3log(3)2)]
=6log(3)2/[3log(3)2)]
=2