![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01aa51bda3891817883e3dea94969fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61168a9644cca78a9aa75e41960e02a.png)
2004高三·福建·竞赛 查看更多[1]
(已下线)2004年全国高中数学联赛福建赛区预赛试题
更新时间:2018-12-15 17:31:38
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相似题推荐
解答题-证明题
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适中
(0.65)
【推荐1】设
为椭圆
:
的左准线与对称轴的交点,椭圆
的左焦点为
,过
任作一斜率不为0的直线与椭圆
交于点
、
,
关于
轴的对称点为
.
(1)求证:
;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0773c7a3457a6bb0704963b927dd218.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07907d140d36f97a216173f268eac0b6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】设
,函数
.
(1)若
,试证:
;
(2)求使函数
有最大值
的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980a8c4eb822aeb591ceacfe8a7aaa11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69e816e02d5db87e6cb4f8f63737127.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea493989b4df10e74e0eecab12a19afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5fe1a902fa7aa259835ebdf858572d.png)
(2)求使函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c93b99c292f421babd78c4dc4ab0cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次