名校
解题方法
1 . 设
是正数数列,
,且
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9c167dc2de7663c031fec059996f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d4a165709c462216d1eb48ee9cceae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e18c54a4337b5987756f8bbd656638c.png)
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名校
2 . 设点
,
是正三角形,且点
在曲线
上.
(1)证明:点
关于直线
对称;
(2)求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e90dd00eb3b771c28eaedf02fe257984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6b93dbe5272a5167ff4e2918bec864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1825fa2d7595d89cda0b2b53163276c4.png)
(1)证明:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6b93dbe5272a5167ff4e2918bec864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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3 . 如图,圆
和圆
相交于点
,半径
、半径
所在直线分别与圆
、圆
相交于点
,过点
作
的平行线分别与圆
、圆
相交于点
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca1d1079fc3ac3e8d44159329865cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a5e3927b043383fcec844833d3f093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f55096e709c47f1f2dfc76fb0d7e0c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/18/e1aba42c-6a82-463b-af24-7f826d5ea967.png?resizew=287)
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4 . 求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9f24578b6a76c459f6f26df5b1677a.png)
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5 . 集合
中有____________ 对相邻的自然数,它们相加时将不出现进位的情形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca676bbf36bc4da2f73e955525f4776e.png)
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名校
解题方法
6 . 已知函数
,若存在非零实数
使得
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba7eda6b3e8f83f097f405f995c0ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0ae78240249772a407fc55a9f2a542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f164e2348de7d9967b1832004db124.png)
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名校
解题方法
7 . 函数
的定义域和值域为
,
的导函数为
,且满足
,则
的范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c94860b1019418b558dd6d5d50a617f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de1d559fa83928eb716d44037444b74.png)
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解题方法
8 . 已知圆
,抛物线
,设直线
与抛物线
相交于
、
两点,与圆
相切于线段
的中点,如果这样的直线
恰有4条,则
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89bf1a0c8f90293d76a4ba59b8444894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c7fc8e284e4aafd93a630d50a53930.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d8a97f14a44b65b8cf7dc38fbf72561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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9 . 从椭圆外一点
作椭圆
的两条切线
和
,若
,则点
轨迹方程为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
解题方法
10 . 已知数列
满足
,
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a086dd951924fd2a094fc1d4da4341d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70359772c0187208df8344cfe70960f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77288bfa684c2a9ca00c75743232a0e3.png)
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2017-08-17更新
|
563次组卷
|
2卷引用:江苏省盐城中学2017年高一数学竞赛模拟试题(一)