1 . 已知曲线
.
![](https://img.xkw.com/dksih/QBM/2021/3/25/2685374732812288/2687018477101056/STEM/fa6461db-3861-4510-bcf7-70df55970bed.png?resizew=283)
(1)画出曲线C的图像;
(2)若直线
与曲线C有两个公共点,求k的取值范围;
(3)若
,Q为曲线C上的点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2342e17a0b90b9bb6e4f3e62347d103a.png)
![](https://img.xkw.com/dksih/QBM/2021/3/25/2685374732812288/2687018477101056/STEM/fa6461db-3861-4510-bcf7-70df55970bed.png?resizew=283)
(1)画出曲线C的图像;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d6d0cfe389abca252332223b5da17.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82c1e84907c4fb352a88daac7810959e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
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2021-03-27更新
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186次组卷
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3卷引用:上海市华师大三附中2021届高三下学期第一次阶段检测数学试题