A={x∈R|x²-3x+4=0}B={x∈R|﹙x+1﹚﹙x²+3x-4﹚=0}A为C的真子集C为B的子集求集合C
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![A={x∈R|x²-3x+4=0}B={x∈R|﹙x+1﹚﹙x²+3x-4﹚=0}A为C的真子集C为B的子集求集合C](/uploads/image/z/3943010-2-0.jpg?t=A%3D%EF%BD%9Bx%E2%88%88R%7Cx%26%23178%3B%EF%BC%8D3x%EF%BC%8B4%3D0%EF%BD%9DB%3D%EF%BD%9Bx%E2%88%88R%7C%EF%B9%99x%EF%BC%8B1%EF%B9%9A%EF%B9%99x%26%23178%3B%EF%BC%8B3x%EF%BC%8D4%EF%B9%9A%EF%BC%9D0%EF%BD%9DA%E4%B8%BAC%E7%9A%84%E7%9C%9F%E5%AD%90%E9%9B%86C%E4%B8%BAB%E7%9A%84%E5%AD%90%E9%9B%86%E6%B1%82%E9%9B%86%E5%90%88C)
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A={x∈R|x²-3x+4=0}B={x∈R|﹙x+1﹚﹙x²+3x-4﹚=0}A为C的真子集C为B的子集求集合C
A={x∈R|x²-3x+4=0}B={x∈R|﹙x+1﹚﹙x²+3x-4﹚=0}A为C的真子集C为B的子集求集合C
A={x∈R|x²-3x+4=0}B={x∈R|﹙x+1﹚﹙x²+3x-4﹚=0}A为C的真子集C为B的子集求集合C
A={x∈R|x²-3x+4=0}=空集
B={x∈R|(x+1)(x²+3x-4)=0}={-4,-1,1}
A为C的真子集C为B的子集
所以C={-4},{-1},{1},{-4,-1},{-4,1},{-1,1},{-4,-1,1}【共7个】
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