1.已知集合A={(x,y)/y=ax+1},B={(x,y)/y=/x/},且A与B交集为单元素集,求a的取值范围.2.已知集合A={(x,y)/ax+y=1},B={(x,y)/x+ay=1},C={(x,y)/x^2+y^2=1}.(1)当a为何值时,(A并B)交C有两个元素(2)当a为何值时,(A并B)交C
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![1.已知集合A={(x,y)/y=ax+1},B={(x,y)/y=/x/},且A与B交集为单元素集,求a的取值范围.2.已知集合A={(x,y)/ax+y=1},B={(x,y)/x+ay=1},C={(x,y)/x^2+y^2=1}.(1)当a为何值时,(A并B)交C有两个元素(2)当a为何值时,(A并B)交C](/uploads/image/z/1854950-14-0.jpg?t=1.%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7B%28x%2Cy%29%2Fy%3Dax%2B1%7D%2CB%3D%7B%28x%2Cy%29%2Fy%3D%2Fx%2F%7D%2C%E4%B8%94A%E4%B8%8EB%E4%BA%A4%E9%9B%86%E4%B8%BA%E5%8D%95%E5%85%83%E7%B4%A0%E9%9B%86%2C%E6%B1%82a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.2.%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7B%28x%2Cy%29%2Fax%2By%3D1%7D%2CB%3D%7B%28x%2Cy%29%2Fx%2Bay%3D1%7D%2CC%3D%7B%28x%2Cy%29%2Fx%5E2%2By%5E2%3D1%7D.%281%29%E5%BD%93a%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%EF%BC%88A%E5%B9%B6B%EF%BC%89%E4%BA%A4C%E6%9C%89%E4%B8%A4%E4%B8%AA%E5%85%83%E7%B4%A0%282%29%E5%BD%93a%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%EF%BC%88A%E5%B9%B6B%EF%BC%89%E4%BA%A4C)
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