若a^2n=3,求(a^3n)^2的值.
问题描述:
若a^2n=3,求(a^3n)^2的值.
答
(a^3n)^2
=a^6n
=(a^2n)^3
=3^3
=27
若a^2n=3,求(a^3n)^2的值.
(a^3n)^2
=a^6n
=(a^2n)^3
=3^3
=27