y厂x+x厂y/xy-y2-x+厂xy+y/x厂x-y厂y 化简
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:2024/06/22 08:23:48
y厂x+x厂y/xy-y2-x+厂xy+y/x厂x-y厂y 化简
![y厂x+x厂y/xy-y2-x+厂xy+y/x厂x-y厂y 化简](/uploads/image/z/20272827-3-7.jpg?t=y%E5%8E%82x%2Bx%E5%8E%82y%2Fxy-y2-x%2B%E5%8E%82xy%2By%2Fx%E5%8E%82x-y%E5%8E%82y+%E5%8C%96%E7%AE%80)
=√(xy)(√x+√y)/y(x-y)-(x+√(xy)+y)/(√x-√y)(x+√(xy)+y)
=√x/√y(√x-√y)-1/(√x-√y)
=(√x-√y)/√y(√x-√y)
=1/√y
=√y/y
=√x/√y(√x-√y)-1/(√x-√y)
=(√x-√y)/√y(√x-√y)
=1/√y
=√y/y