1 . 设
为椭圆
:
的左焦点,
为椭圆
上的一点
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/bde87b06-24bb-45fc-b5c4-4e8bac5b393b.png?resizew=188)
(1)作正方形
(
,
,
,
按逆时针排列)当
沿着椭圆运动一周,求动点
的轨迹方程.
(2)设
为椭圆外一点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6205da5e1d2730ee0b3de8bca3e29f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/bde87b06-24bb-45fc-b5c4-4e8bac5b393b.png?resizew=188)
(1)作正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857e804aac2f81757178d237485299fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdf0b6fecd6a78bc83f42e11e60a004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d968044241d03105c05c40fd6b94264.png)
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2 . 已知函数
.若
是区间
上的单调增函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6064bbd858852c78970fbbf34d4f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 连续地随机掷1颗骰子,一直掷到6点出现3次为止.用
表示停止时已经掷的次数.
(1)求
的分布列
,
;
(2)令
,求数学期望
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c4b9c60fdb001f63be75985dce0615.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c4b9c60fdb001f63be75985dce0615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e8e35363f3d15d210b3d2ef869b0119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b84a53fc740b3f74a019bbe321f60a.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4daac4ff808563e477a888a50461247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71701db4b413f2364dbcbd612fbc8a67.png)
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4 . 设
皆为正数,且满足
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add4adf39316ddd272f0ded66298a76e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad66c517cf8d3bf8c33ccd82e42cb92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084b5ecacb0679361d358e2748033b0e.png)
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名校
解题方法
5 . 如图,在五棱锥
中,
,
,
,
,F为棱
上一点,且满足
,平面
与棱
分别交于G,H.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/a4238d37-bea5-45de-b120-16bb8fcf357f.png?resizew=221)
(1)求证:
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be89b9d1709d7974a108142c5fa2ccec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4207cb4606a54c615cc30541f5f8751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cea1fa98ed569e4e0e51df9e536da18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a209e342226efa2d747e1990baee9bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e52afb0eaa29b2e542805716db11243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a0a3a2b6faaa02a7a0cac44cf9c2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20af148464904e21f4374cc8fb886fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb46aaae98bce8e66848e09c2c1cdbd4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/a4238d37-bea5-45de-b120-16bb8fcf357f.png?resizew=221)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a086b085224857d7d0c92bc5c2d6465.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c99298cb62582a9ec6dd55b5b441f9a.png)
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名校
解题方法
6 . 已知函数
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
,且
,试比较
与
的大小关系,并说明理由;
(2)若
,且
,证明:
(i)
;
(ii)
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1060c34e676f9e4048f396023fa6a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87dad80ff155f615b17fbe8bf4db00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c85467b0027305f2d3757b0ba5bf8b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477401fbd54f365121b648e4d8fcf38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f13c49cbcdca5ed2e81d229819357b9.png)
(i)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc6ecd08de6b156b5fa2bda453c855f3.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe64030d6e08f7607b7e3d9a724a79c9.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e0f63cd71701bdf260b1510c72ee8f.png)
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名校
7 . 已知
,函数
,其中
…为自然对数的底数.
(1)证明:函数
在
上有唯一零点;
(2)记
为函数
在
上的零点,证明:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3adb9acead48e36b705874dc96979f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597de8046b5baecf54be4b0516de67ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405dfcca25b76af059fb4c308983eae.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89e13ea43300cc01379c96614d8e9cc.png)
您最近一年使用:0次
2021-10-12更新
|
558次组卷
|
3卷引用:湖北省武汉市部分重点中学2021-2022学年高二下学期期末联考数学试题
名校
8 . 如图,直线
,点
是
之间的一个定点,过点
的直线
垂直于直线
,
(
为常数),点
分别为
上的动点,已知
.设
(
).
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388072192073728/2388181329387520/STEM/259f8d3625d64876909c2ad47f08f89a.png?resizew=186)
(1)求
面积
关于角
的函数解析式
;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f419750fe2e81297e21646268adb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da24c3c749a2daba3d3a5136c16fdb24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50515b0461f55861fd28f2774a2f01dc.png)
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388072192073728/2388181329387520/STEM/259f8d3625d64876909c2ad47f08f89a.png?resizew=186)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8135ce2fc33a303efd2087106709d44e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8135ce2fc33a303efd2087106709d44e.png)
您最近一年使用:0次
2020-01-30更新
|
1100次组卷
|
7卷引用:湖北省武汉市华中师范大学第一附属中学2021-2022学年高一上学期期末数学试题
9 . 如图,圆
与
轴相切于点
,与
轴的正半轴相交于
两点(
在
的上方),且
.
![](https://img.xkw.com/dksih/QBM/2018/12/17/2098769825038336/2100165567504384/STEM/b6045216-4c49-4dc1-8c89-9dde85a233f5.png?resizew=254)
(1)求圆
的方程;
(2)设过点
的直线
与椭圆
相交于
两点,求证:射线
平分
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a63f7b42555f7f81bcb18b9247bf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/368fc197b61e01fe6a4a168bb7b375cd.png)
![](https://img.xkw.com/dksih/QBM/2018/12/17/2098769825038336/2100165567504384/STEM/b6045216-4c49-4dc1-8c89-9dde85a233f5.png?resizew=254)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd8cb171425253834dfd7fa1a9da9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7023ec0f513c7d0ef86859a5ede54.png)
您最近一年使用:0次
2018-12-19更新
|
296次组卷
|
4卷引用:湖北省九校教研协作体2022-2023学年高二上学期9月联考数学试题
10 . 在
中,
分别表示它的三个内角,且满足
,试判断该三角形的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23beb7fa35ed321584f95c7507b8b78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bcf3d809a21860c9a2f0c374da4560.png)
您最近一年使用:0次
2018-12-16更新
|
181次组卷
|
2卷引用:湖北省九校教研协作体2022-2023学年高二上学期9月联考数学试题