设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 15:19:42
![设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B](/uploads/image/z/14787653-5-3.jpg?t=%E8%AE%BE%E9%9B%86%E5%90%88A%3D%7B%28x%2Cy%29%7C2x%2By-3%3D0%7D%2CB%3D%7B%28x%2Cy%29%7Cax%2By-b%3D0%2Ca%2Cb%E2%88%88R%7D.%E6%B1%82A%E2%88%A9B)
设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
设集合A={(x,y)|2x+y-3=0},B={(x,y)|ax+y-b=0,a,b∈R}.求A∩B
画图,看(x,y)点重合的有几个
若a/2=3/b,则A∩B=Φ,若2/a≠3/b,则A∩B=二直线的交点。