已知x^3n=2,y^2n=3,求x^6n+y^6n*x^4n
问题描述:
已知x^3n=2,y^2n=3,求x^6n+y^6n*x^4n
答
x^6n+y^6n*x^4n
=(x^3n)^2+(y^2n)^3*x^3n*x^n
=4+54x^n