名校
解题方法
1 . 已知数列
是公比为
的正项等比数列,且
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e15be6eb86b5f1746b0036a87c9ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb6ae18e9f28cbefd073bd6ac0c9e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d787262919c1d297882486899b8f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58117e8491e2af9216622235f2671b5f.png)
A.4050 | B.2025 | C.4052 | D.2026 |
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名校
2 . 在等比数列
中,
是函数
的两个极值点,若
,则t的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd67f7444756faf766876de3fc6b1084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe34fddc0248037344564149a03a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f93c932af7de2f59447846c57fe52a0.png)
A.![]() | B.![]() | C.4 | D.5 |
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解题方法
3 . 设等比数列
的前
项和为
,前
项积为
,若
,
,则下列结论不正确的是( )
![](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/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae6358af7332d7609bf8d18467487d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0f89da1428e890bd42ff85be4404ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfd3efb1d349ff18d31160cf0c7f8db.png)
A.![]() | B.对任意正整数![]() ![]() |
C.![]() | D.数列![]() |
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名校
4 . 关于等差数列和等比数列,下列说法不正确的是( )
A.若数列![]() ![]() ![]() ![]() |
B.若数列![]() ![]() ![]() |
C.若数列![]() ![]() ![]() ![]() ![]() ![]() |
D.若数列![]() ![]() ![]() |
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2024-06-11更新
|
248次组卷
|
2卷引用:黑龙江省哈尔滨市实验中学2023-2024学年高二下学期期中考试数学试卷
解题方法
5 . 设等比数列
中,
,
使函数
在
时取得极值
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd71bc7e6668f90f259ad0b06dd60c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b4b2696e7ce69d3bc3edb29380d707a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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名校
6 . 已知数列
是单调递增的等比数列,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc44f646f6e3cd6921f50c3903c86d3.png)
________ ,数列
的公差为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4db7b6886fc235329e8bc0a82845e13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37933cfc60b4bd29f1684687ddd2cbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc44f646f6e3cd6921f50c3903c86d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4711944aa361bd9f2ed566b24c6888ec.png)
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2024高三下·全国·专题练习
7 . 已知前
项和为
的正项等比数列
中,
,
,
,则( )
![](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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abac455d09d8836bc637142bc9e2ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9990d2b1f1099520a70eb90bc2446510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a7307fe643ac2bbef8bdab15ce4187.png)
A.![]() | B.![]() |
C.![]() | D.数列![]() ![]() |
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名校
解题方法
8 . 已知等差数列
的前
项和为
是等比数列,若
,且
,则
的最小值为__________ .
![](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/791f5f5a4ae7cd3fbb1281572f1d1c6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d26261bd78a8630d1241285d6a2503f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e3517373c28d3ad77266a1e8f9c325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29e9d1e4d069c1da84cb439dd9c6989.png)
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名校
9 . 已知在等比数列
中,
,
,若函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c4000a2d5ec362b83e853f5396a295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b336b25f72b109c9be93f9a27fd4a503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c26e52cd962748ed9b5678c7a0c0af.png)
A.2 | B.![]() | C.![]() | D.![]() |
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名校
10 . 已知正项数列
是递增的等差数列,
是公比为
的等比数列,且满足
,
,则( )
![](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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fe0f4e8a80a2840c0f6929a8a6351b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0426eb784f9c387f6a0d2e7e21a11118.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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