名校
1 . 如图,已知直线
与曲线
相切于
两点,相交于
点,
三点的横坐标分别为
,记
,以下判断正确的是( )
![](https://img.xkw.com/dksih/QBM/2018/6/15/1967572894244864/1972499678879744/STEM/52fc5bc4-f3a2-4e2e-bca4-1efa3e7c4ebb.png?resizew=279)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f546e8c3cff0ac79852e344be435b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f53acc676c43c13aa47dcc3e2719b2.png)
![](https://img.xkw.com/dksih/QBM/2018/6/15/1967572894244864/1972499678879744/STEM/52fc5bc4-f3a2-4e2e-bca4-1efa3e7c4ebb.png?resizew=279)
A.![]() ![]() ![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
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