因式分解 a^n-1-3a^n+3a^n-1

2025-12-14 20:26:10
推荐回答(1个)
回答1:

a^n-1-3a^n+3a^n-1=4a^n-1-3a^n=4a^n-1-3a^n-1*a=a^n-1*(4-3a)