已知x2-y2=xy(xy不等于0)则x/y-y/x=____

来源:学生作业帮助网 编辑:六六作业网 时间:2025/02/02 19:15:17
已知x2-y2=xy(xy不等于0)则x/y-y/x=____已知x2-y2=xy(xy不等于0)则x/y-y/x=____已知x2-y2=xy(xy不等于0)则x/y-y/x=____x/y-y/x

已知x2-y2=xy(xy不等于0)则x/y-y/x=____
已知x2-y2=xy(xy不等于0)则x/y-y/x=____

已知x2-y2=xy(xy不等于0)则x/y-y/x=____
x/y-y/x
=x²/xy-y²/xy
=(x²-y)/xy
=xy/xy
=1