化简:√﹙x³﹣4x²y﹢4y²x﹚/﹙x-2y﹚
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/31 22:44:38
化简:√﹙x³﹣4x²y﹢4y²x﹚/﹙x-2y﹚
√【﹙x³﹣4x²y﹢4y²x﹚/﹙x-2y﹚】
√【﹙x³﹣4x²y﹢4y²x﹚/﹙x-2y﹚】
![化简:√﹙x³﹣4x²y﹢4y²x﹚/﹙x-2y﹚](/uploads/image/z/17900654-14-4.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%E2%88%9A%EF%B9%99x%26%23179%3B%EF%B9%A34x%26%23178%3By%EF%B9%A24y%26%23178%3Bx%EF%B9%9A%EF%BC%8F%EF%B9%99x-2y%EF%B9%9A)
x³-4x²y+4y²x=x(x²-4xy+4y²)=x(x-2y)²
(x³-4x²y+4y²x)/(x-2y)=x(x-2y)²/(x-2y)=x(x-2y)
如果是√[(x³-4x²y+4y²x)/(x-2y)]
=√[x(x-2y)]
如果是√(x³-4x²y+4y²x)/(x-2y)
=(x-2y)√x/(x-2y)
=√x
再问: 第一种
再答: 那最后的答案就是 √[(x³-4x²y+4y²x)/(x-2y)] =√[x(x-2y)]
(x³-4x²y+4y²x)/(x-2y)=x(x-2y)²/(x-2y)=x(x-2y)
如果是√[(x³-4x²y+4y²x)/(x-2y)]
=√[x(x-2y)]
如果是√(x³-4x²y+4y²x)/(x-2y)
=(x-2y)√x/(x-2y)
=√x
再问: 第一种
再答: 那最后的答案就是 √[(x³-4x²y+4y²x)/(x-2y)] =√[x(x-2y)]
化简:(2x-y)²-4(x-y)(x+y)
(2x-y)²-4(x-y)(x+2y)
计算 x+2y+﹙4y²/x-2y﹚+﹙4x²y/4y²-x²)
求值:(-3x³y)²+(2x²﹚³·﹙﹣y﹚²﹢4x的6次方y
计算 [12(x+y)³(y-x)]³÷[4(x+y)²(x-y)]²
化简 3(X-Y)²-4(X-Y)+7(X-Y)-6(X-Y)²
(x-2y)²+(2x-4y)(x+y)+(x+y)²
多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x
[3﹙x-y﹚^4 ﹙x+y﹚^5 -6﹙x-y﹚^3 ﹙x+y﹚^4 ]÷[3﹙x-y﹚²﹙x+y﹚
4x²-2x²-﹙5x²-3x²+二分之三x-y-1﹚其中x=3 y=1先化简再
已知x/y=2,求2x(x+y)-y(x+y)/4x²-4xy+y²
(x+y)²+4(x+y)-5