已知等差数列
的首项为
,公差为
,其前
项和为
,若直线
与圆
的两个交点关于直线
对称,则数列
的前100项和等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.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/ef17acd340be9638bdd142192d47a40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f899dc9d8c8d302a4c9115ecdce7594c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/552569d1b265a1b724e91c4105dc83b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8050391385b496e9c059201e4f12600a.png)
A.![]() | B.![]() | C.![]() | D.1 |
20-21高二·全国·课后作业 查看更多[3]
人教B版(2019) 选修第三册 突围者 第五章 第五章 易错疑难集训(三)(已下线)专题29 数列结合其他问题考查更精彩-备战2022年高考数学一轮复习一网打尽之重点难点突破(已下线)专题19 数列的综合应用-4
更新时间:2021-10-03 00:36:59
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解题方法
【推荐1】已知公差为
的等差数列
的前
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,且
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【推荐2】已知等差数列
的前
项和为
,则数列
的前10项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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【推荐1】函数
,其中
,记
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf2faab7b629287702b07fa840c362d.png)
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【推荐2】已知单调递增的等差数列
满足
,且
是
和
的等比中项,令
,则数列
的前100项和
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
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【推荐1】已知点
是直线
上的动点,过点
作圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/674f44362402791516073c71d3ac35da.png)
的两条切线
,
,
,
为切点.若
的最大值为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
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【推荐2】圆
关于直线
对称,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915262f5e5203effb92e7ad690a42ac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c304638053c17ffa931e47de0e1dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c5e961691eb11631e9f947fe7143c7.png)
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