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| x | (0,x2) | x2 | (x2,+∞) |
| f′(x) | - | 0 | + |
| f(x) | 减 | 极小值 | 增 |
| 1 |
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1+
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科目:高中数学 来源: 题型:
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科目:高中数学 来源: 题型:
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