因式分解:x4-3x2y2+y4

因式分解:x4-3x2y2+y4.
2024-11-22 04:31:12
推荐回答(1个)
回答1:

x4-3x2y2+y4
=x4-2x2y2+y4-x2y2
=(x2-y2)-x2y2
=(x2-y2+xy)(x2-y2-xy).