已知点M(3,-2),N(-5,-1),若=,则点P的坐标为 .

已知点M(3-2)N(-5-1),若=,则点P的坐标为       .

答案

【解析】P(xy),则=(x-3y+2)=(-81),由=,得(x-3y+2)=(-81),解得x=-1y=-,所以点P的坐标为.

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