已知a^3n=5,b^2n=3,求a^6n乘b^4n的值
问题描述:
已知a^3n=5,b^2n=3,求a^6n乘b^4n的值
答
(a^6n)b^4n
=[(a^3n)^2]([b^2n)^2]
= 25(9)
= 225