名校
解题方法
1 . 如图,直角梯形ABCD中,
,
,
,在等腰直角三角形CDE中,
,则向量
在向量
上的投影向量的模为;若M,N分别为线段BC,CE上的动点,且
,则
的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852847ba02c2b62abf27e9cc11f596a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bf00aeba15bce2cdee8ab487388dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a333d098fc1acefbdadfcac342fb8ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1ae9fcd70ccbdda55f34e3371b64c0.png)
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解题方法
2 . 已知函数
,若函数
恰有3个不同的零点,则实数a的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e616636f230b9bb137d79f84efa147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd2c5760181b2c974811564b55b65f4.png)
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名校
解题方法
3 . 已知直线
与圆C:
相交于A,B两点,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe567b482938a45840cf770053fd64fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284b0d767c5e2be6b01cbd33fe5eb931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfc9d1109fe41145cc892b5702d9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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4 . 设
,函数
. 若
在区间
内恰有2个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b855d201ea3903374586b03606a016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
5 . 设
,
是两个不同的平面,
是一条直线,以下命题:①若
,
,则
;②若
,
,则
;③若
,
,则
;④若
,
,则
;其中正确的命题序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b28ca8d8046c5ad2ed6260adc5483f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b28ca8d8046c5ad2ed6260adc5483f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f236f93b96ed780adb8a79e473efefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e380108ba2cf04e68a5a9393d2b921c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202af51f5ebe87ec0017f439a6ad7fbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f236f93b96ed780adb8a79e473efefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d8dcd07ffe20d7b6241d50eed2f31.png)
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6 . 已知过球面上三点A,B,C的截面圆的圆心到球心的距离等于球半径的一半,
为边长是4的等边三角形,则球的表面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
7 . 若
,
,
三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189379ea34c0297642623a63a110febd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1282cc43ebf4b459832fec04d805989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9988951f970f0195a18cccc981e0d6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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8 . 已知
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e923760168689ca3369df6a2ae8699a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a367b21eea1088ab0174967f6d989421.png)
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2024-06-12更新
|
933次组卷
|
5卷引用:天津市第三中学2023-2024学年高二下学期6月月考数学试题
天津市第三中学2023-2024学年高二下学期6月月考数学试题河南省郑州市2024届高三第三次质量预测数学试题江西省南昌市第十九中学2024届高三下学期第五次模拟考试数学试卷(已下线)四川省成都市外国语学校2024届高三高考模拟(五)理科数学试题河南省许昌市许昌高级中学2024届高三下学期三模数学试题
名校
9 . 在
的展开式中,
项的系数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e61a42192ceafdd0eefd3950b778b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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解题方法
10 . 已知正
的边长为
,中心为
,过
的动直线
与边
,
分别相交于点
、
,
,
,
.
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5dc34f1eb0f29b09e027a1f69479972.png)
______ ;
(2)
与
的面积之比的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6bd78eaf4e6b4a904b9850392fcf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323f0075c96990706da0ba1d81c91ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18bf5477ab809cf5b133a045b0ea8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e07c611d39260a3160ef7380df0fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5dc34f1eb0f29b09e027a1f69479972.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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