3x^4-x^8-1因式分解

2025-12-16 05:07:35
推荐回答(1个)
回答1:

解:原式=-(x^8-3x^4+1)
=-[(x^4-1)^2-x^4]
=-(x^4-1-x^2)(x^4-1+x^2)