已知关于x的不等式(x-2)[(a-2)x-(a-4)]>0的解集为A,且3∉A (1)求实数a的取值范围(2)求集合A到底哪个对啊
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![已知关于x的不等式(x-2)[(a-2)x-(a-4)]>0的解集为A,且3∉A (1)求实数a的取值范围(2)求集合A到底哪个对啊](/uploads/image/z/7608252-12-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%85%B3%E4%BA%8Ex%E7%9A%84%E4%B8%8D%E7%AD%89%E5%BC%8F%EF%BC%88x-2%EF%BC%89%5B%28a-2%29x-%28a-4%29%5D%EF%BC%9E0%E7%9A%84%E8%A7%A3%E9%9B%86%E4%B8%BAA%2C%E4%B8%943%26%238713%3BA+%EF%BC%881%EF%BC%89%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%BC%882%EF%BC%89%E6%B1%82%E9%9B%86%E5%90%88A%E5%88%B0%E5%BA%95%E5%93%AA%E4%B8%AA%E5%AF%B9%E5%95%8A)
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