> 数学 >
因式分解x^3+x^2y-xy^2-y^3
人气:281 ℃ 时间:2019-11-23 01:37:22
解答
x^3+x^2y-xy^2-y^3
=(x-y)(x^2+xy+y^2)+xy(x-y)
=(x-y)(x^2+y^2+2xy)
=(x-y)(x+y)^2
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版