因式分解:(1-x²)(1-y²)+4xy
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 18:51:01
![因式分解:(1-x²)(1-y²)+4xy](/uploads/image/z/2602137-57-7.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A%EF%BC%881-x%26%23178%3B%EF%BC%89%EF%BC%881-y%26%23178%3B%EF%BC%89%2B4xy)
x){:{=O;^,_~Ϭ{:u+Ԕ
-s+\mJ"}2tِk-\LVʇq***du5`ArPAMz
CJM:]IV$
fVhWj$ف< Qw
因式分解:(1-x²)(1-y²)+4xy
因式分解:(1-x²)(1-y²)+4xy
因式分解:(1-x²)(1-y²)+4xy
=1-x²-y²+x²y²+4xy
=1+2xy+x²y²-(x²-2xy+y²)
=(1+xy)²-(x-y)²
=(1+xy+x-y)(1+xy-x+y)