设A={(x,y)|2x+y=8}B={(x,y)|-5x+7y=-1},求A∩B
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 00:35:53
![设A={(x,y)|2x+y=8}B={(x,y)|-5x+7y=-1},求A∩B](/uploads/image/z/6929172-36-2.jpg?t=%E8%AE%BEA%3D%7B%28x%2Cy%29%7C2x%2By%3D8%7DB%3D%7B%28x%2Cy%29%7C-5x%2B7y%3D-1%7D%2C%E6%B1%82A%E2%88%A9B)
x){nmFNfQvEkZm^ikXlc㣎N6IE$/!&';Xdǒ';V=orvΓ]K
Az|~:p01zS'?7l*9:Ny1Y';zzѵYm@ h
设A={(x,y)|2x+y=8}B={(x,y)|-5x+7y=-1},求A∩B
设A={(x,y)|2x+y=8}B={(x,y)|-5x+7y=-1},求A∩B
设A={(x,y)|2x+y=8}B={(x,y)|-5x+7y=-1},求A∩B
A与B是两个点集,交集就是二直线2x+y=8,-5x+7y=-1交点.为点(3,2).但结果是个集合哈,我打不出花括号