[6(x-y)^5]/[3(x+y)^2]
来源:百度知道 编辑:UC知道 时间:2024/05/23 01:22:57
[6(x-y)^5]/[3(x+y)^2]=???
(x-y)^5/(x+y)^2这样能除吗???
(x-y)^5/(x+y)^2这样能除吗???
可以
原式=[2x^5+10(x^4)y+20(x^3)(y^2)+20(x^2)(y^3)+10x(y^4)+2y^5]/[x^2+2xy+y^2]
=2x^3+6(x^2)y+6x(y^2)+2y^3
用杨晖三角的定理把分式打开,再用大除法即可
不能了(除了将6和3约分外)
[6(x-y)^5]/[3(x+y)^2]
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