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1 . 记等比数列
的前
项之积为
,则“
”是“
”的( )
![](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/d42a9837c54d5b99859daaba8edc4018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34828d311d030af0aad0a889f2320cf5.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2 . 已知函数
,则“
,
”是“
为偶函数”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1009ab48aa7407777999e51a4ba475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1ff9e9de8658bad54229cb71bd9eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a173784888adf2946382fa093ba53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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7日内更新
|
423次组卷
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4卷引用:江西省贵溪市实验中学2024届高三下学期5月高考冲刺压轴卷(一)数学试卷
江西省贵溪市实验中学2024届高三下学期5月高考冲刺压轴卷(一)数学试卷湖南省长沙市南雅中学2023-2024学年高二下学期第二次月考(5月)数学试题(已下线)1.2常见逻辑用语(高三一轮)【同步课时提升卷】(已下线)三角函数-综合测试卷B卷
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3 . 命题“
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bba49ce50c6d97f1233eed8c28c4ec.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7日内更新
|
284次组卷
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3卷引用:河南师范大学附属中学2024届高三下学期最后一卷数学试题
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4 . 欧拉公式
建立起了复数、三角函数和指数函数的桥梁,在解析几何中具有重大意义,在复变函数论中占有重要的地位.根据欧拉公式,以下命题正确的个数是( )
命题1:
命题2:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c063c2ed143160330d18ad91aa71588.png)
命题3:
的共轭复数为
命题4:
为实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc0ab4d45a4bef21ba8ae793f2e76f3.png)
命题1:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65641baf343b41fcc466d46ed4462940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c063c2ed143160330d18ad91aa71588.png)
命题3:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0e07720c183169719f3436565ab6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f080c8535b18275e8e89b50a59869ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca774392225378f3745d39d267d8b46.png)
A.1 | B.2 | C.3 | D.4 |
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5 .
的展开式的第
项的系数为 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d9b83e8df93b807296f3fc6f916e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知直线
的参数方程为
(
为参数),以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)求圆
的直角坐标方程;
(2)若
是直线
与圆面
的公共点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fac38a0c514c69fbf97f75c31168435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6c25537c92d74574c9d50ffb916435.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81df3ef5879a1cda41a9f42504049644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfb3efcdf3989e29185db8d886fb612.png)
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解题方法
7 . 命题
,命题
函数
且
在
上单调,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e04d795dfbbc8d43c3507a679f8caec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f90c36a5979a1700b4e1f4b127d41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ec5e0de82f13e711b23f9ae37cdac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
8 . 已知
的两个顶点
,
,点G为
的重心,边
上的两条中线的长度之和为6,记点G的轨迹为曲线E.
(1)求曲线E的方程;
(2)若点P是曲线E上的任意一点,
,
,
,
,直线PC,PD与x轴分别交于点M,N.
①求
的最大值;
②判断
是否为定值.若为定值,求出该定值;若不为定值,求出它的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8dfd0ebf16476994cf04dd0f7fafca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17618d8d22ebb3fd6835a7eb139b4f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13683e2ecf2164a0adbfdb9923d210a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8dfd0ebf16476994cf04dd0f7fafca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6bf421591c540d317587bdac885e9c.png)
(1)求曲线E的方程;
(2)若点P是曲线E上的任意一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbc9361f0be545e55976a052e95e960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a375e47ac52f067ac1f7b3f73dbc41ee.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
②判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9467e420cfaea81eb1e7245e3f14c503.png)
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解题方法
9 . 已知数列
前n项的积为
,数列
满足
,
(
,
).
(1)求数列
,
的通项公式;
(2)将数列
,
中的公共项从小到大排列构成新数列
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c7a0ac368e5fcb20ac099f51aea7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bf3911496403b6e7eedf87667fff52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)将数列
![](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/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
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10 . 已知函数
(
).
(1)讨论
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b65b1ee5601ff5aa4c64d2fbfcbfe4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f88a76f947e7022ef0c5efd6db060c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511c60ab2eabf536ed2a863ef435c7d6.png)
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