1 . 在下列关于概率的命题中,正确的是( )
A.若事件![]() ![]() ![]() ![]() ![]() |
B.若三个事件![]() ![]() ![]() ![]() |
C.若事件![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若事件![]() ![]() ![]() ![]() |
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2 . 已知数列
满足
,
的前
项和为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c0638c3b5f362512ae6fb292565c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3783e69ef5a6a0af566ff4e21ccf03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.若![]() ![]() |
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3 . 已知函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cad89a93eb64a1042897ffd26938ae7.png)
A.![]() ![]() |
B.![]() ![]() ![]() |
C.若方程![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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2024-02-28更新
|
1649次组卷
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6卷引用:湖北省武汉市第三中学2023-2024学年高二下学期3月月考数学试题
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解题方法
4 . 已知椭圆
的右焦点
与短轴端点间的距离为
.
(1)求
的方程;
(2)过
作直线
与
交于
两点,
为坐标原点,若
,求
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f363d815fde5c34c317df8c6a1d616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83100d76296f4337448141cef3d48d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2024-02-28更新
|
301次组卷
|
2卷引用:湖北省部分省级示范高中2023-2024学年高二上学期期末考试数学试题
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解题方法
5 . 已知点
在直线
上,过
作圆
的两条切线,切点为
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1846c1b54b2134a38b277ef4c4e4e6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bae8586becf5d68b5b28d776b4b4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-28更新
|
468次组卷
|
3卷引用:湖北省武汉市华中师大第一附中2023-2024学年高二下学期数学独立作业(一)
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6 . 抛掷一枚质地均匀的骰子,记
“点数为
”,其中,
1,2,3,4,5,6,
“点数为奇数”,
“点数为偶数”,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6076491fdcd09614b5797ff6fdbc98b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b1e185d6a0ab350cdc947beeb82040.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2024-02-28更新
|
363次组卷
|
2卷引用:湖北省荆州市八县市区2023-2024学年高二上学期1月期末联合考试数学试题
解题方法
7 . 已知函数
的定义域为
,则函数
的定义域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/decfc69ffe9191b498600cb37fb09401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23713452df36d50841472f3c9515137c.png)
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8 . 如图,在四棱锥
中,
,
,底面
是直角梯形,
.
(1)求证:
;
(2)求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7fca40920c70c01c551e83d61e69b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1b638760d907efe836500581da1596.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86756f44de592bdb3d29b96eb75c31d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/24/67688748-00c3-4473-83dc-38da262af2e4.png?resizew=151)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4125524caac016727c80d2722c5ba3.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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解题方法
9 . 直线
与双曲线
的左、右支分别相交于
两点,
为坐标原点,
是双曲线右焦点,若
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53deda2ba83a7528721d0584a0a8041f.png)
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10 . 已知函数
,其导函数为
.
(1)求
单调性;
(2)求
零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f5318f011e3bdc60fd114e62568c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e70f2b58c5d070bf972f8f1e7743a0a.png)
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