1 . 求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80801abf9f776c1062109b2dd88ad740.png)
您最近一年使用:0次
解题方法
2 . 如图,直四棱柱
的底面是菱形,
,
,
,E,M,N分别是BC,
,
的中点.
平面
;
(2)求点C到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b77b6829b026d38bde776e2993e3e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4c87f4da030d05da7c0fa59384743e.png)
(2)求点C到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5a463a03c549b0dba6d90e7f16a2af.png)
您最近一年使用:0次
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
.
(1)判断函数
在定义域上的单调性,并用单调性定义证明你的结论;
(2)求函数
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea417e75675249abc9c1a60400687423.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2acf5271208a96415ffdc85cd04447.png)
您最近一年使用:0次
2023-08-02更新
|
513次组卷
|
3卷引用:新疆维吾尔自治区巴音郭楞蒙古自治州且末县第一中学2022-2023学年高二下学期6月期末数学试题
新疆维吾尔自治区巴音郭楞蒙古自治州且末县第一中学2022-2023学年高二下学期6月期末数学试题新疆巴音郭楞州且末县第一中学2022-2023学年高二下学期期末数学试题(已下线)专题3.7 函数的概念与性质全章综合测试卷(基础篇)-举一反三系列
4 . 如图,在直三棱柱
中,
,
,棱
,
、
分别为
、
的中点.
(1)求
与
所成角的余弦值;
(2)求证:
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca38004c7744a7567bef30f0674fe60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed8f7d3d7043d4b1eb98fc5c4e2fcd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.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/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/1df60023-c591-4218-8de1-79f6fab0c6b7.png?resizew=147)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6da9f598fecf6fcf41cd65b45cbe08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae80f09dae8acbe1e5e27bd5c4d8164.png)
您最近一年使用:0次
5 . 如图,正四棱柱
中,
,
为棱
的中点.
平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07391ef575d28f09bc5cda0ff8130a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6606c156191bde3dc2309975f47f4b8.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6606c156191bde3dc2309975f47f4b8.png)
您最近一年使用:0次
6 . 已知正项数列{an}的前n项和为Sn,在①
,且
;②
;③
,
,这三个条件中任选一个,解答下列问题:
(1)证明数列
是等比数列,并求其通项公式;
(2)已知
当
且
时,
,数列
的前n项和为
,若
恒成立,求
的最小值.
注:若选择不同的条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2a09f14453f68329d983439a2ee3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff45e02dbec34a87856ab005ac0d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e148ff4cabd6fb4d104d4611c670cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
(1)证明数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0908c8a773fa043864160f4e69e057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dafd98e5b223908b13013c3cacc0386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56cafe1878ccc6c84945fddc8609e40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fafc28d435b6897b96b0daa8c0f9d850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
注:若选择不同的条件分别解答,则按第一个解答计分.
您最近一年使用:0次
解题方法
7 . 如图,在棱长为1的正方体
中.
(1)求证:
平面
;
(2)求三棱锥
体积.
(3)在对角线
上是否存在点
,满足
平面
成立,若存在,求出
点的具体位置,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/2/80347661-8cdd-461b-916a-2d4de326b171.png?resizew=151)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e96946eaa2878fb8433eb2a97797a32b.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790d9caed8f616bcad22563ef6cae247.png)
(3)在对角线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78172568aac9805d2ea2d5f742bf80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
8 . 如图所示,在三棱锥
中,
底面
,
,动点D在线段AB上.
(1)求证:平面
平面
,;
(2)当
时,求三棱锥C-OBD的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98140559ade34a1cc55b93b6c8f3991d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4317430d5a2b61d9a2a88b73e7d7ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa3a310c1f8a5af35dc3328d874e18e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d52fc4410937f6a4d759f4869d75260.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/14/8d456c1b-0a43-4738-8dea-18d9fcec3109.png?resizew=123)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a55c40bb7437081d8e669974c8d1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cee097d4fe948c3d4f1b5c28b24adf3.png)
您最近一年使用:0次
9-10高二下·广东佛山·期末
名校
解题方法
9 . 如图,在三棱柱
中,
,
,
,
,点
是
的中点,
平面
.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429228f882da65a8e0064c88d02b8e40.png)
(2)求证:
平面
;
(3)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/3/3e8077df-37ee-4a21-8a6b-fa57036948fb.png?resizew=198)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429228f882da65a8e0064c88d02b8e40.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4557a368725226f2c8ea2efb7d30e478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
(3)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beadde16d15c23457fc5ef74feb6f12e.png)
您最近一年使用:0次
2023-08-02更新
|
690次组卷
|
6卷引用:新疆维吾尔自治区巴音郭楞蒙古自治州且末县第一中学2022-2023学年高二下学期6月期末数学试题
新疆维吾尔自治区巴音郭楞蒙古自治州且末县第一中学2022-2023学年高二下学期6月期末数学试题(已下线)2010年佛山一中高二下学期期末考试(文科)数学卷(已下线)广东省佛山一中2010-2011学年高二下学期期末考试数学(文)辽宁省营口市第二高级中学2018-2019学年高二下学期期中考试数学(文)试题新疆巴音郭楞州且末县第一中学2022-2023学年高二下学期期末数学试题苏教版(2019) 必修第二册 必杀技 模块综合测试
解题方法
10 . 已知函数
.
(1)当
时,求
的最值;
(2)当
时,判断
在区间
上的单调性,并用定义法证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca35bf0769860bad3764d4d5ead8af7c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7d7a17174f367f032290d5d82f9f4b.png)
您最近一年使用:0次