名校
解题方法
1 . 已知A、B是椭圆C:
的左右顶点,过
的直线l交椭圆C于M、N两点,直线AM与直线BN相交于点P,当
最大时,
. 设椭圆的离心率为e,则
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5829fe58856c0290757a40e26cda072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f36df71241cbc3d70a7a0af72ac4a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ded4a47543a89c17be98722ed14e71b.png)
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2 . 已知数列
为等比数列,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97732815cf6e2f94a04fdde3eec8f78e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa69dde104dcf963e67647e801e0149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e84a64684884dab5b38122de557e16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97732815cf6e2f94a04fdde3eec8f78e.png)
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3 . 若
,
,
,则a,b,c的大小关系是______ (请用“<”连接).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd82b5223c2a708c1729db2a3750990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea8ebb59f691e5de3b64772516792b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1e6b3b4b758c25264d5e759650c419.png)
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解题方法
4 . 如图,四边形
和
是两个相同的矩形,面积均为300,图中阴影部分也是四个相同的矩形,现将阴影部分分别沿
,
,
,
折起,得到一个无盖长方体,则该长方体体积的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8305c4ffbf876642440c3d28e91e9f.png)
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2024-04-24更新
|
510次组卷
|
3卷引用:2024届河北省邢台市部分高中二模数学试题
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解题方法
5 . 在直三棱柱
中,
,底面ABC是边长为6的正三角形,若M是三棱柱
外接球的球面上一点,
是
内切圆上一点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eaba7d7d6f2f3d6d4a2fe85d3c427f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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6 . 4名男生和2名女生随机站成一排,每名男生至少与另一名男生相邻,则不同的排法种数为________ .
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2024-04-18更新
|
909次组卷
|
3卷引用:河北省邢台市2024届高三下学期教学质量检测(一)数学试题
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7 . 已知
,过点
恰好只有一条直线与圆E:
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ ,该直线的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bdb225f362f150791f7483a96a18d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7312c19269a2073277bd07b9b2f4912c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2024-04-18更新
|
529次组卷
|
2卷引用:河北省邢台市2024届高三下学期教学质量检测(一)数学试题
名校
解题方法
8 . 已知向量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06346c7f8608fe52d5e1dd5c1f024b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f05e1f0c42b052c123cd36fd27fc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2024-04-16更新
|
1647次组卷
|
5卷引用:河北省邢台市五岳联盟2024届高三下学期模拟预测数学试题
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9 . 在
中,内角
所对的边分别为
,若
成等比数列,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
_______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df23cc36e6d0a1f5bfc6b7a1cde0d4b5.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb926a5338553390e23eab672d8e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df23cc36e6d0a1f5bfc6b7a1cde0d4b5.png)
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2024-04-07更新
|
1181次组卷
|
4卷引用:河北省邢台市五岳联盟2024届高三下学期模拟预测数学试题
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解题方法
10 . 已知双曲线
的左、右焦点分别为
,过
作一条渐近线的垂线交双曲线
的左支于点
,已知
,则双曲线
的渐近线方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea6bc53bf83cfce131c853b06f67cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2024-03-26更新
|
1727次组卷
|
6卷引用:河北省邢台市五岳联盟2024届高三下学期模拟预测数学试题