记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17f95748e120a8048a0a01c8182ec15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5850594a09755770a8225da182bd52.png)
,若
有三个不等实根
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17f95748e120a8048a0a01c8182ec15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5850594a09755770a8225da182bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2ca0936339711b0173fc4620623621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6902c9f2a26385b1daadd855fc1436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1037287a6d8a9a7766734077faa87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
更新时间:2022-11-23 15:13:15
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填空题-单空题
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适中
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名校
【推荐1】给出函数
,则
=______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3c0bc23282a2ff74c645f7402c464e.png)
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【推荐2】设函数
在
上有定义,对于任意给定正数
,定义函数
,则称函数
为
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,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6237e846a2aa13dfa32eaa4f8ac422.png)
_______________ .
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【推荐1】函数
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的取值范围是________ .
![](https://img.xkw.com/dksih/QBM/2016/9/19/1826276701618176/1826276702601216/STEM/8c032c21959b440ca597cc0c6dabc616.png?resizew=96)
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【推荐2】若函数f(x)=(1-x2)(x2+bx+c)的图象关于直线x=-2对称,则b+c的值是______ .
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解题方法
【推荐1】已知点
是椭圆C:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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【推荐2】设
为椭圆
的右焦点,且椭圆上至少有10个不同的点
,使
组成公差为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8d331d8d9cb773b60d50326e0c6e9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb55a8be7d2b8637cee06753942cef5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
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