4.3.2 等比数列的前n项和(1)
重点练
一、单选题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/602e6618d01dbc66b0142a37c2b3556a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e11ddbd7bfd1ad466c6c989606fd2cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5e69a1736fce183c0227c991c14810.png)
A.16 | B.48 | C.32 | D.63 |
【知识点】 等比数列片段和性质及应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c35807c889825a792d588fdd0b9340a4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 等差中项的应用 等比数列前n项和的基本量计算
二、填空题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.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/51b7a9249e1697d01918b84ed4c59063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37c6c2d5dac65f95cb8ca164e6c3758.png)
【知识点】 等比数列通项公式的基本量计算 求等比数列前n项和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f391f4b9bce2a8c8ef282b8865d9a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663bbeaf489a3958a2ac5039c0755692.png)
【知识点】 确定数列中的最大(小)项 等比数列前n项和的基本量计算
三、解答题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03da6a0d3161bec34649c4c5437bf440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a42f3616f908b7bbf75c592ead611cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/cdfff7b504042eb3278123b83d2572c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7e9f86738335a22298559db41037a4.png)
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4.3.2 等比数列的前n项和(1)
重点练
一、单选题
A.16 | B.48 | C.32 | D.63 |
【知识点】 等比数列片段和性质及应用
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 等差中项的应用 等比数列前n项和的基本量计算
二、填空题
【知识点】 等比数列通项公式的基本量计算 求等比数列前n项和
【知识点】 确定数列中的最大(小)项 等比数列前n项和的基本量计算
三、解答题