(非诚心答题的,请绕道)已知集合A={x│x²+px+q=0},B={x│2x²-7x+3=0},A∩B=A,A≠空集,求①求A②A∪B已知集合P={3,a},Q={x│-1≤X<3,X∈N},若P∩Q={1},求①集合Q ②求a的值 ③求P∪Q已知集合A={x∈R│
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![(非诚心答题的,请绕道)已知集合A={x│x²+px+q=0},B={x│2x²-7x+3=0},A∩B=A,A≠空集,求①求A②A∪B已知集合P={3,a},Q={x│-1≤X<3,X∈N},若P∩Q={1},求①集合Q ②求a的值 ③求P∪Q已知集合A={x∈R│](/uploads/image/z/13946395-67-5.jpg?t=%EF%BC%88%E9%9D%9E%E8%AF%9A%E5%BF%83%E7%AD%94%E9%A2%98%E7%9A%84%2C%E8%AF%B7%E7%BB%95%E9%81%93%EF%BC%89%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7Bx%E2%94%82x%26sup2%3B%2Bpx%2Bq%3D0%7D%2CB%3D%7Bx%E2%94%822x%26sup2%3B-7x%2B3%3D0%7D%2CA%E2%88%A9B%3DA%2CA%E2%89%A0%E7%A9%BA%E9%9B%86%2C%E6%B1%82%E2%91%A0%E6%B1%82A%E2%91%A1A%E2%88%AAB%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88P%3D%7B3%2Ca%7D%2CQ%3D%7Bx%E2%94%82-1%E2%89%A4X%EF%BC%9C3%2CX%E2%88%88N%7D%2C%E8%8B%A5P%E2%88%A9Q%3D%7B1%7D%2C%E6%B1%82%E2%91%A0%E9%9B%86%E5%90%88Q+%E2%91%A1%E6%B1%82a%E7%9A%84%E5%80%BC+%E2%91%A2%E6%B1%82P%E2%88%AAQ%E5%B7%B2%E7%9F%A5%E9%9B%86%E5%90%88A%3D%7Bx%E2%88%88R%E2%94%82)
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