已知曲线
的方程为
,过平面上一点
作
的两条切线,切点分别为
、
,且满足
,记
的轨迹为
,过一点
作
的两条切线,切点分别为
,
满足
,记
的轨迹为
,按上述规律一直进行下去
,记
且
为数列
的前
项和,则满足
的最小的
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527dbc371c91a69a5fdc5ce3e6aa3866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c183c5da8f2d049abfbf4f3e2d20d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a95ab51c0a0e6b7b5c2e22d3764f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b78e4a03d4595f14be42054b61dfc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85f026b9357f23b34e49cecbd91002c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.5 | B.6 | C.7 | D.8 |
2022高三·北京石景山·专题练习 查看更多[1]
(已下线)专题7.18 数列与解析几何的综合-2022届高三数学一轮复习精讲精练
更新时间:2021-10-05 16:37:10
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单选题
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解题方法
【推荐1】已知数列
的前
项和为
,且
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10b1667346cb114c4dc9098e02ce70e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614306cc3f34bdee4d5d885b79667645.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】英国物理学家牛顿用“作切线”的方法求函数的零点时,给出的“牛顿数列”在航空航天中应用广泛.若数列
满足
,则称数列
为牛顿数列.若
,数列
为牛顿数列,且
,
,数列
的前n项和为
,则满足
的最大正整数n的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33610d2a46105e3c8456257221d3d07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60302649eb940748da818199e55da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3bb631154bd03c814e8f6c0b39ea8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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A.10 | B.11 | C.12 | D.13 |
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解题方法
【推荐1】O为原点,参数方程
(θ为参数)上的任意一点为A,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ecc144ad676b3144647c58d04a21c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236a5a5c45fb867e8b5cbec077164911.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
【推荐2】已知直线
与圆
,则
上各点到
的距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a5194e5855e19eafd61a6d91b77a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01c16d4f8af70dfeb53ab0574340717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】已知数列
是公差不为零的等差数列,
是等比数列,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd1721c727549b699f39a02cc2aa2d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e7c9d2a8d3c49a46f2b8431b7934ab.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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【推荐2】在数列
中,对任意
N*,都有
为常数
,则称
为“等差比数列”
下面对“等差比数列”的判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896ceb3a5ed0b96d7a791db941c6622b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac01310268d7809229fb32d01bc4bb66.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
A.![]() ![]() |
B.等差数列一定是等差比数列 |
C.等比数列一定是等差比数列 |
D.通项公式为![]() |
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