(2/3)^x=27/8,则x=
问题描述:
(2/3)^x=27/8,则x=
答
(2/3)^x=27/8=(3/2)^3=(2/3)^(-3)
x=-3
(2/3)^x=27/8,则x=
(2/3)^x=27/8=(3/2)^3=(2/3)^(-3)
x=-3