因式分解:3ax^n+1-6a^2x^n+3a^3x^n-1
问题描述：
因式分解:3ax^n+1-6a^2x^n+3a^3x^n-1
kkkkkkkk 最好现在
答
3ax^(n+1)-6a^2x^n+3a^3x^(n-1)
=3ax^(n-1)(1-2a+a^2)
=3ax^(n-1)(a-1)^2