关于实数x的不等式|x-1/2(a+1)^2|≤1/2(a-1)^2与x^2-3(a+1)x+2(3a+1)≤0(其中a∈r关于实数x的不等式|x-1/2(a+1)^2|≤1/2(a-1)^2与x^2-3(a+1)x+2(3a+1)≤0(其中a∈R)的解集依次为A与B,求使A是B的子集的取值范围
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![关于实数x的不等式|x-1/2(a+1)^2|≤1/2(a-1)^2与x^2-3(a+1)x+2(3a+1)≤0(其中a∈r关于实数x的不等式|x-1/2(a+1)^2|≤1/2(a-1)^2与x^2-3(a+1)x+2(3a+1)≤0(其中a∈R)的解集依次为A与B,求使A是B的子集的取值范围](/uploads/image/z/3012628-4-8.jpg?t=%E5%85%B3%E4%BA%8E%E5%AE%9E%E6%95%B0x%E7%9A%84%E4%B8%8D%E7%AD%89%E5%BC%8F%7Cx-1%2F2%28a%2B1%29%5E2%7C%E2%89%A41%2F2%28a-1%29%5E2%E4%B8%8Ex%5E2-3%28a%2B1%29x%2B2%283a%2B1%29%E2%89%A40%28%E5%85%B6%E4%B8%ADa%E2%88%88r%E5%85%B3%E4%BA%8E%E5%AE%9E%E6%95%B0x%E7%9A%84%E4%B8%8D%E7%AD%89%E5%BC%8F%EF%BD%9Cx-1%2F2%28a%2B1%29%5E2%EF%BD%9C%E2%89%A41%2F2%28a-1%29%5E2%E4%B8%8Ex%5E2-3%28a%2B1%29x%2B2%283a%2B1%29%E2%89%A40%EF%BC%88%E5%85%B6%E4%B8%ADa%E2%88%88R%29%E7%9A%84%E8%A7%A3%E9%9B%86%E4%BE%9D%E6%AC%A1%E4%B8%BAA%E4%B8%8EB%2C%E6%B1%82%E4%BD%BFA%E6%98%AFB%E7%9A%84%E5%AD%90%E9%9B%86%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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