1 . 数列
满足
,且
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7b49832a0b759f538a15f1537a84ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8d0e50065114b05ef2dc1ea1129cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8de107bfca4d1db8497f5bdfc2e5752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-05-19更新
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941次组卷
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5卷引用:四川省攀枝花市2022届高三第三次统一考试理科数学试题
四川省攀枝花市2022届高三第三次统一考试理科数学试题辽宁省实验中学2021-2022学年高二下学期期中数学试题(已下线)第01讲 数列的概念与简单表示法(讲)1.2.2 等差数列与一次函数(同步练习提高版)(已下线)山东省日照市2023届高三一模考试数学试题变式题6-10
2 . 正项等比数列
的前n项和为
,若
,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dc75b66bbf7eca1a4bcfd1e9910383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ccdc17b603871d20843ffccca2df0ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.8 | B.16 | C.27 | D.81 |
您最近一年使用:0次
2022-04-22更新
|
1615次组卷
|
4卷引用:四川省攀枝花市2022届高三第三次统一考试理科数学试题
四川省攀枝花市2022届高三第三次统一考试理科数学试题广东省佛山市南海艺术高级中学2022届高三下学期第三次大测数学试题(已下线)数学-2022年高考考前押题密卷(新高考Ⅰ卷)(已下线)4.2 等比数列(精练)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)
3 . 在△
中,角A,B,C的对边分别为a,b,c,△
的面积为S,若
,则
的值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f3f6a692bcbd7413689f656468ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 在①
,②
,③
.这三个条件中任选一个作为已知条件,补充在下面的问题中,然后解答补充完整的题.
在
中,内角A,B,C的对边分别为a,b,c,且______(只需填序号).
(1)求A;
(2)若
,
的面积为
,求
的周长.
注:若选择多个条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e2dca6045c1135274bfaace9f2f151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6016d24834f164437c00b01974ed5e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac8db98247a94635998d6f0d433f7e4.png)
在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
注:若选择多个条件分别解答,则按第一个解答计分.
您最近一年使用:0次
5 . 在①
,②
是
,
的等差中项,③
.这三个条件中任选一个作为已知条件,补充在下面的问题中,然后解答补充完整的题.
已知正项等比数列
的前n项和为
,
,且满足______(只需填序号).
(1)求数列
的通项公式;
(2)设
,求数列
的前n项和
.
注:若选择多个条件分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3483017f35801f12e7bcafe118ae52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61d473bfcc52ebc119430335531488a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fbb8454c6fe5001e937e8ab6d5beb8.png)
已知正项等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b08ac67cf429ba14a527e6f054018c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005852a14814cd0fcb5d3aad41d714a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
注:若选择多个条件分别解答,则按第一个解答计分.
您最近一年使用:0次
6 . 已知实数x,y满足约束条件
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8a9d5bd1ea92d07eec3a7d99868037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a125cb40ab3d54de9f3a444032af5e4.png)
您最近一年使用:0次
7 . 在
中,
,
,
,
平分
交
于点
,则
的长度为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46f901e5aab5e90964890ad424065ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348216467fda035329fe8fac46b39911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
8 . 在①
,②
,③
这三个条件中任选一个作为已知条件,补充在下面的问题中,然后解答补充完整的题.
设首项为
的数列
的前
项和为
,且满足______(只需填序号)
(1)求数列
的通项公式;
(2)设
,求数列
的前
项和
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3f217b40ce965450a2a7a706943d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c9cdbc2371608f997c6c05ac646e816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79df6b501e8be189ef89bd39c000a4d.png)
设首项为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/add02169a8f58417880df4e302a7c498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2022-01-28更新
|
484次组卷
|
2卷引用:四川省攀枝花市2022届高三第二次统一考试数学(理)试题
解题方法
9 . 在
中,
,
,
,
平分
交
于点
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348216467fda035329fe8fac46b39911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
您最近一年使用:0次
10 . 已知实数
满足
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e42fc367c3213ff012a82aac9439c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
您最近一年使用:0次
2021-01-03更新
|
131次组卷
|
3卷引用:四川省攀枝花市2022届高三第二次统一考试文科数学试题